Home / 112,677.88-155,503.38-62,380.12

Finding the Fourth Proportional to 112,677.88, 155,503.38 and 62,380.12

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Solution

The fourth proportional to 112,677.88, 155,503.38 and 62,380.12 is: 86,088.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,677.88 : 155,503.38 = 62,380.12 : x
  2. Step 2: Convert to fraction form
    112,677.88/155,503.38 = 62,380.12/x
  3. Step 3: Cross multiply
    112,677.88x = 155,503.38 × 62,380.12
  4. Step 4: Simplify right side
    112,677.88x = 9,700,319,504.81
  5. Step 5: Solve for x
    x = 9,700,319,504.81/112,677.88
  6. Step 6: Final answer
    x = 86,088.94

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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.