Home / 145,523.75-218,312.06-60,134.81

Finding the Fourth Proportional to 145,523.75, 218,312.06 and 60,134.81

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Solution

The fourth proportional to 145,523.75, 218,312.06 and 60,134.81 is: 90,213.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,523.75 : 218,312.06 = 60,134.81 : x
  2. Step 2: Convert to fraction form
    145,523.75/218,312.06 = 60,134.81/x
  3. Step 3: Cross multiply
    145,523.75x = 218,312.06 × 60,134.81
  4. Step 4: Simplify right side
    145,523.75x = 13,128,154,766.61
  5. Step 5: Solve for x
    x = 13,128,154,766.61/145,523.75
  6. Step 6: Final answer
    x = 90,213.14

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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.