Home / 156,132.09-234,209.98-61,316.53

Finding the Fourth Proportional to 156,132.09, 234,209.98 and 61,316.53

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Solution

The fourth proportional to 156,132.09, 234,209.98 and 61,316.53 is: 91,979.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,132.09 : 234,209.98 = 61,316.53 : x
  2. Step 2: Convert to fraction form
    156,132.09/234,209.98 = 61,316.53/x
  3. Step 3: Cross multiply
    156,132.09x = 234,209.98 × 61,316.53
  4. Step 4: Simplify right side
    156,132.09x = 14,360,942,756.09
  5. Step 5: Solve for x
    x = 14,360,942,756.09/156,132.09
  6. Step 6: Final answer
    x = 91,979.44

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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.