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Finding the Fourth Proportional to 112,801.85, 169,224.11 and 45,339.13

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Solution

The fourth proportional to 112,801.85, 169,224.11 and 45,339.13 is: 68,017.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,801.85 : 169,224.11 = 45,339.13 : x
  2. Step 2: Convert to fraction form
    112,801.85/169,224.11 = 45,339.13/x
  3. Step 3: Cross multiply
    112,801.85x = 169,224.11 × 45,339.13
  4. Step 4: Simplify right side
    112,801.85x = 7,672,473,612.71
  5. Step 5: Solve for x
    x = 7,672,473,612.71/112,801.85
  6. Step 6: Final answer
    x = 68,017.27

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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.