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Finding the Fourth Proportional to 170,748.30, 256,122.45 and 59,925.90

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Solution

The fourth proportional to 170,748.30, 256,122.45 and 59,925.90 is: 89,888.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,748.30 : 256,122.45 = 59,925.90 : x
  2. Step 2: Convert to fraction form
    170,748.30/256,122.45 = 59,925.90/x
  3. Step 3: Cross multiply
    170,748.30x = 256,122.45 × 59,925.90
  4. Step 4: Simplify right side
    170,748.30x = 15,348,368,326.46
  5. Step 5: Solve for x
    x = 15,348,368,326.46/170,748.30
  6. Step 6: Final answer
    x = 89,888.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.