Home / 122,646.03-169,253.04-74,247.31

Finding the Fourth Proportional to 122,646.03, 169,253.04 and 74,247.31

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Solution

The fourth proportional to 122,646.03, 169,253.04 and 74,247.31 is: 102,462.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,646.03 : 169,253.04 = 74,247.31 : x
  2. Step 2: Convert to fraction form
    122,646.03/169,253.04 = 74,247.31/x
  3. Step 3: Cross multiply
    122,646.03x = 169,253.04 × 74,247.31
  4. Step 4: Simplify right side
    122,646.03x = 12,566,582,929.32
  5. Step 5: Solve for x
    x = 12,566,582,929.32/122,646.03
  6. Step 6: Final answer
    x = 102,462.21

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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.