Home / 125,145.04-172,702.40-68,552.76

Finding the Fourth Proportional to 125,145.04, 172,702.40 and 68,552.76

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Solution

The fourth proportional to 125,145.04, 172,702.40 and 68,552.76 is: 94,604.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,145.04 : 172,702.40 = 68,552.76 : x
  2. Step 2: Convert to fraction form
    125,145.04/172,702.40 = 68,552.76/x
  3. Step 3: Cross multiply
    125,145.04x = 172,702.40 × 68,552.76
  4. Step 4: Simplify right side
    125,145.04x = 11,839,226,178.62
  5. Step 5: Solve for x
    x = 11,839,226,178.62/125,145.04
  6. Step 6: Final answer
    x = 94,604.04

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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.