Home / 136,807.26-205,539.69-129,254.46

Finding the Fourth Proportional to 136,807.26, 205,539.69 and 129,254.46

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Solution

The fourth proportional to 136,807.26, 205,539.69 and 129,254.46 is: 194,192.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,807.26 : 205,539.69 = 129,254.46 : x
  2. Step 2: Convert to fraction form
    136,807.26/205,539.69 = 129,254.46/x
  3. Step 3: Cross multiply
    136,807.26x = 205,539.69 × 129,254.46
  4. Step 4: Simplify right side
    136,807.26x = 26,566,921,639.52
  5. Step 5: Solve for x
    x = 26,566,921,639.52/136,807.26
  6. Step 6: Final answer
    x = 194,192.34

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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.