Home / 142,600.53-213,831.60-71,492.62

Finding the Fourth Proportional to 142,600.53, 213,831.60 and 71,492.62

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Solution

The fourth proportional to 142,600.53, 213,831.60 and 71,492.62 is: 107,204.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,600.53 : 213,831.60 = 71,492.62 : x
  2. Step 2: Convert to fraction form
    142,600.53/213,831.60 = 71,492.62/x
  3. Step 3: Cross multiply
    142,600.53x = 213,831.60 × 71,492.62
  4. Step 4: Simplify right side
    142,600.53x = 15,287,381,322.79
  5. Step 5: Solve for x
    x = 15,287,381,322.79/142,600.53
  6. Step 6: Final answer
    x = 107,204.24

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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.