Home / 125,712.16-173,483.48-69,127.20

Finding the Fourth Proportional to 125,712.16, 173,483.48 and 69,127.20

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Solution

The fourth proportional to 125,712.16, 173,483.48 and 69,127.20 is: 95,395.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,712.16 : 173,483.48 = 69,127.20 : x
  2. Step 2: Convert to fraction form
    125,712.16/173,483.48 = 69,127.20/x
  3. Step 3: Cross multiply
    125,712.16x = 173,483.48 × 69,127.20
  4. Step 4: Simplify right side
    125,712.16x = 11,992,427,218.66
  5. Step 5: Solve for x
    x = 11,992,427,218.66/125,712.16
  6. Step 6: Final answer
    x = 95,395.92

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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.