Home / 113,440.62-156,549.06-63,139.62

Finding the Fourth Proportional to 113,440.62, 156,549.06 and 63,139.62

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Solution

The fourth proportional to 113,440.62, 156,549.06 and 63,139.62 is: 87,133.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,440.62 : 156,549.06 = 63,139.62 : x
  2. Step 2: Convert to fraction form
    113,440.62/156,549.06 = 63,139.62/x
  3. Step 3: Cross multiply
    113,440.62x = 156,549.06 × 63,139.62
  4. Step 4: Simplify right side
    113,440.62x = 9,884,448,159.76
  5. Step 5: Solve for x
    x = 9,884,448,159.76/113,440.62
  6. Step 6: Final answer
    x = 87,133.23

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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.