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Finding the Fourth Proportional to 60,128.88, 90,167.95 and 18,014.95

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Solution

The fourth proportional to 60,128.88, 90,167.95 and 18,014.95 is: 27,014.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,128.88 : 90,167.95 = 18,014.95 : x
  2. Step 2: Convert to fraction form
    60,128.88/90,167.95 = 18,014.95/x
  3. Step 3: Cross multiply
    60,128.88x = 90,167.95 × 18,014.95
  4. Step 4: Simplify right side
    60,128.88x = 1,624,371,195.41
  5. Step 5: Solve for x
    x = 1,624,371,195.41/60,128.88
  6. Step 6: Final answer
    x = 27,014.82

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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.