Home / 145,523.89-218,312.27-60,134.95

Finding the Fourth Proportional to 145,523.89, 218,312.27 and 60,134.95

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Solution

The fourth proportional to 145,523.89, 218,312.27 and 60,134.95 is: 90,213.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,523.89 : 218,312.27 = 60,134.95 : x
  2. Step 2: Convert to fraction form
    145,523.89/218,312.27 = 60,134.95/x
  3. Step 3: Cross multiply
    145,523.89x = 218,312.27 × 60,134.95
  4. Step 4: Simplify right side
    145,523.89x = 13,128,198,283.82
  5. Step 5: Solve for x
    x = 13,128,198,283.82/145,523.89
  6. Step 6: Final answer
    x = 90,213.35

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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.