Home / 125,012.57-172,517.35-68,423.94

Finding the Fourth Proportional to 125,012.57, 172,517.35 and 68,423.94

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Solution

The fourth proportional to 125,012.57, 172,517.35 and 68,423.94 is: 94,425.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,012.57 : 172,517.35 = 68,423.94 : x
  2. Step 2: Convert to fraction form
    125,012.57/172,517.35 = 68,423.94/x
  3. Step 3: Cross multiply
    125,012.57x = 172,517.35 × 68,423.94
  4. Step 4: Simplify right side
    125,012.57x = 11,804,316,805.36
  5. Step 5: Solve for x
    x = 11,804,316,805.36/125,012.57
  6. Step 6: Final answer
    x = 94,425.04

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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.