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Finding the Fourth Proportional to 159,952.16, 219,133.44 and 153,971.04

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Solution

The fourth proportional to 159,952.16, 219,133.44 and 153,971.04 is: 210,939.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,952.16 : 219,133.44 = 153,971.04 : x
  2. Step 2: Convert to fraction form
    159,952.16/219,133.44 = 153,971.04/x
  3. Step 3: Cross multiply
    159,952.16x = 219,133.44 × 153,971.04
  4. Step 4: Simplify right side
    159,952.16x = 33,740,203,655.58
  5. Step 5: Solve for x
    x = 33,740,203,655.58/159,952.16
  6. Step 6: Final answer
    x = 210,939.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.