Home / 125,072.61-172,598.97-67,710.42

Finding the Fourth Proportional to 125,072.61, 172,598.97 and 67,710.42

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Solution

The fourth proportional to 125,072.61, 172,598.97 and 67,710.42 is: 93,439.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,072.61 : 172,598.97 = 67,710.42 : x
  2. Step 2: Convert to fraction form
    125,072.61/172,598.97 = 67,710.42/x
  3. Step 3: Cross multiply
    125,072.61x = 172,598.97 × 67,710.42
  4. Step 4: Simplify right side
    125,072.61x = 11,686,748,523.42
  5. Step 5: Solve for x
    x = 11,686,748,523.42/125,072.61
  6. Step 6: Final answer
    x = 93,439.71

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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.