Home / 117,404.66-162,033.05-77,151.71

Finding the Fourth Proportional to 117,404.66, 162,033.05 and 77,151.71

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Solution

The fourth proportional to 117,404.66, 162,033.05 and 77,151.71 is: 106,478.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,404.66 : 162,033.05 = 77,151.71 : x
  2. Step 2: Convert to fraction form
    117,404.66/162,033.05 = 77,151.71/x
  3. Step 3: Cross multiply
    117,404.66x = 162,033.05 × 77,151.71
  4. Step 4: Simplify right side
    117,404.66x = 12,501,126,884.02
  5. Step 5: Solve for x
    x = 12,501,126,884.02/117,404.66
  6. Step 6: Final answer
    x = 106,478.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.