Home / 125,488.17-173,172.74-68,126.13

Finding the Fourth Proportional to 125,488.17, 173,172.74 and 68,126.13

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Solution

The fourth proportional to 125,488.17, 173,172.74 and 68,126.13 is: 94,013.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,488.17 : 173,172.74 = 68,126.13 : x
  2. Step 2: Convert to fraction form
    125,488.17/173,172.74 = 68,126.13/x
  3. Step 3: Cross multiply
    125,488.17x = 173,172.74 × 68,126.13
  4. Step 4: Simplify right side
    125,488.17x = 11,797,588,257.07
  5. Step 5: Solve for x
    x = 11,797,588,257.07/125,488.17
  6. Step 6: Final answer
    x = 94,013.55

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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.