Home / 112,630.40-155,430.24-62,331.20

Finding the Fourth Proportional to 112,630.40, 155,430.24 and 62,331.20

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Solution

The fourth proportional to 112,630.40, 155,430.24 and 62,331.20 is: 86,017.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,630.40 : 155,430.24 = 62,331.20 : x
  2. Step 2: Convert to fraction form
    112,630.40/155,430.24 = 62,331.20/x
  3. Step 3: Cross multiply
    112,630.40x = 155,430.24 × 62,331.20
  4. Step 4: Simplify right side
    112,630.40x = 9,688,153,375.49
  5. Step 5: Solve for x
    x = 9,688,153,375.49/112,630.40
  6. Step 6: Final answer
    x = 86,017.22

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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.