Home / 157,451.31-217,271.94-88,551.06

Finding the Fourth Proportional to 157,451.31, 217,271.94 and 88,551.06

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Solution

The fourth proportional to 157,451.31, 217,271.94 and 88,551.06 is: 122,194.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,451.31 : 217,271.94 = 88,551.06 : x
  2. Step 2: Convert to fraction form
    157,451.31/217,271.94 = 88,551.06/x
  3. Step 3: Cross multiply
    157,451.31x = 217,271.94 × 88,551.06
  4. Step 4: Simplify right side
    157,451.31x = 19,239,660,595.26
  5. Step 5: Solve for x
    x = 19,239,660,595.26/157,451.31
  6. Step 6: Final answer
    x = 122,194.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.