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Finding the Fourth Proportional to 117,337.74, 176,006.07 and 28,590.90

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Solution

The fourth proportional to 117,337.74, 176,006.07 and 28,590.90 is: 42,886.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,337.74 : 176,006.07 = 28,590.90 : x
  2. Step 2: Convert to fraction form
    117,337.74/176,006.07 = 28,590.90/x
  3. Step 3: Cross multiply
    117,337.74x = 176,006.07 × 28,590.90
  4. Step 4: Simplify right side
    117,337.74x = 5,032,171,946.76
  5. Step 5: Solve for x
    x = 5,032,171,946.76/117,337.74
  6. Step 6: Final answer
    x = 42,886.22

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1.5x scale

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.