Home / 113,444.48-156,550.72-63,142.40

Finding the Fourth Proportional to 113,444.48, 156,550.72 and 63,142.40

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Solution

The fourth proportional to 113,444.48, 156,550.72 and 63,142.40 is: 87,135.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,444.48 : 156,550.72 = 63,142.40 : x
  2. Step 2: Convert to fraction form
    113,444.48/156,550.72 = 63,142.40/x
  3. Step 3: Cross multiply
    113,444.48x = 156,550.72 × 63,142.40
  4. Step 4: Simplify right side
    113,444.48x = 9,884,988,182.53
  5. Step 5: Solve for x
    x = 9,884,988,182.53/113,444.48
  6. Step 6: Final answer
    x = 87,135.03

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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.