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Finding the Fourth Proportional to 92,569.16, 138,853.73 and 22,448.47

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Solution

The fourth proportional to 92,569.16, 138,853.73 and 22,448.47 is: 33,672.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,569.16 : 138,853.73 = 22,448.47 : x
  2. Step 2: Convert to fraction form
    92,569.16/138,853.73 = 22,448.47/x
  3. Step 3: Cross multiply
    92,569.16x = 138,853.73 × 22,448.47
  4. Step 4: Simplify right side
    92,569.16x = 3,117,053,501.28
  5. Step 5: Solve for x
    x = 3,117,053,501.28/92,569.16
  6. Step 6: Final answer
    x = 33,672.70

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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.