Home / 125,731.33-173,503.95-71,287.16

Finding the Fourth Proportional to 125,731.33, 173,503.95 and 71,287.16

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Solution

The fourth proportional to 125,731.33, 173,503.95 and 71,287.16 is: 98,373.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,731.33 : 173,503.95 = 71,287.16 : x
  2. Step 2: Convert to fraction form
    125,731.33/173,503.95 = 71,287.16/x
  3. Step 3: Cross multiply
    125,731.33x = 173,503.95 × 71,287.16
  4. Step 4: Simplify right side
    125,731.33x = 12,368,603,844.28
  5. Step 5: Solve for x
    x = 12,368,603,844.28/125,731.33
  6. Step 6: Final answer
    x = 98,373.28

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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.