Home / 156,881.71-235,224.15-103,517.09

Finding the Fourth Proportional to 156,881.71, 235,224.15 and 103,517.09

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Solution

The fourth proportional to 156,881.71, 235,224.15 and 103,517.09 is: 155,210.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,881.71 : 235,224.15 = 103,517.09 : x
  2. Step 2: Convert to fraction form
    156,881.71/235,224.15 = 103,517.09/x
  3. Step 3: Cross multiply
    156,881.71x = 235,224.15 × 103,517.09
  4. Step 4: Simplify right side
    156,881.71x = 24,349,719,405.79
  5. Step 5: Solve for x
    x = 24,349,719,405.79/156,881.71
  6. Step 6: Final answer
    x = 155,210.69

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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.