Home / 122,707.95-169,367.04-75,001.29

Finding the Fourth Proportional to 122,707.95, 169,367.04 and 75,001.29

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Solution

The fourth proportional to 122,707.95, 169,367.04 and 75,001.29 is: 103,520.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,707.95 : 169,367.04 = 75,001.29 : x
  2. Step 2: Convert to fraction form
    122,707.95/169,367.04 = 75,001.29/x
  3. Step 3: Cross multiply
    122,707.95x = 169,367.04 × 75,001.29
  4. Step 4: Simplify right side
    122,707.95x = 12,702,746,483.48
  5. Step 5: Solve for x
    x = 12,702,746,483.48/122,707.95
  6. Step 6: Final answer
    x = 103,520.16

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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.