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Finding the Fourth Proportional to 168,482.52, 232,505.04 and 93,031.02

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Solution

The fourth proportional to 168,482.52, 232,505.04 and 93,031.02 is: 128,382.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,482.52 : 232,505.04 = 93,031.02 : x
  2. Step 2: Convert to fraction form
    168,482.52/232,505.04 = 93,031.02/x
  3. Step 3: Cross multiply
    168,482.52x = 232,505.04 × 93,031.02
  4. Step 4: Simplify right side
    168,482.52x = 21,630,181,026.34
  5. Step 5: Solve for x
    x = 21,630,181,026.34/168,482.52
  6. Step 6: Final answer
    x = 128,382.35

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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.