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Finding the Fourth Proportional to 146,407.42, 202,042.47 and 79,339.42

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Solution

The fourth proportional to 146,407.42, 202,042.47 and 79,339.42 is: 109,488.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,407.42 : 202,042.47 = 79,339.42 : x
  2. Step 2: Convert to fraction form
    146,407.42/202,042.47 = 79,339.42/x
  3. Step 3: Cross multiply
    146,407.42x = 202,042.47 × 79,339.42
  4. Step 4: Simplify right side
    146,407.42x = 16,029,932,385.17
  5. Step 5: Solve for x
    x = 16,029,932,385.17/146,407.42
  6. Step 6: Final answer
    x = 109,488.52

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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.