Home / 159,187.47-219,674.04-87,567.45

Finding the Fourth Proportional to 159,187.47, 219,674.04 and 87,567.45

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Solution

The fourth proportional to 159,187.47, 219,674.04 and 87,567.45 is: 120,840.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,187.47 : 219,674.04 = 87,567.45 : x
  2. Step 2: Convert to fraction form
    159,187.47/219,674.04 = 87,567.45/x
  3. Step 3: Cross multiply
    159,187.47x = 219,674.04 × 87,567.45
  4. Step 4: Simplify right side
    159,187.47x = 19,236,295,514.00
  5. Step 5: Solve for x
    x = 19,236,295,514.00/159,187.47
  6. Step 6: Final answer
    x = 120,840.51

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1.5x scale

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.