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Finding the Fourth Proportional to 112,801.29, 169,114.07 and 55,835.87

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Solution

The fourth proportional to 112,801.29, 169,114.07 and 55,835.87 is: 83,710.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,801.29 : 169,114.07 = 55,835.87 : x
  2. Step 2: Convert to fraction form
    112,801.29/169,114.07 = 55,835.87/x
  3. Step 3: Cross multiply
    112,801.29x = 169,114.07 × 55,835.87
  4. Step 4: Simplify right side
    112,801.29x = 9,442,630,802.90
  5. Step 5: Solve for x
    x = 9,442,630,802.90/112,801.29
  6. Step 6: Final answer
    x = 83,710.31

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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.