Home / 169,639.30-254,458.95-155,124.10

Finding the Fourth Proportional to 169,639.30, 254,458.95 and 155,124.10

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Solution

The fourth proportional to 169,639.30, 254,458.95 and 155,124.10 is: 232,686.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,639.30 : 254,458.95 = 155,124.10 : x
  2. Step 2: Convert to fraction form
    169,639.30/254,458.95 = 155,124.10/x
  3. Step 3: Cross multiply
    169,639.30x = 254,458.95 × 155,124.10
  4. Step 4: Simplify right side
    169,639.30x = 39,472,715,605.70
  5. Step 5: Solve for x
    x = 39,472,715,605.70/169,639.30
  6. Step 6: Final answer
    x = 232,686.15

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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.