Home / 136,974.52-205,516.28-52,712.06

Finding the Fourth Proportional to 136,974.52, 205,516.28 and 52,712.06

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Solution

The fourth proportional to 136,974.52, 205,516.28 and 52,712.06 is: 79,089.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,974.52 : 205,516.28 = 52,712.06 : x
  2. Step 2: Convert to fraction form
    136,974.52/205,516.28 = 52,712.06/x
  3. Step 3: Cross multiply
    136,974.52x = 205,516.28 × 52,712.06
  4. Step 4: Simplify right side
    136,974.52x = 10,833,186,482.34
  5. Step 5: Solve for x
    x = 10,833,186,482.34/136,974.52
  6. Step 6: Final answer
    x = 79,089.06

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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.