Home / 136,001.28-204,030.72-42,514.08

Finding the Fourth Proportional to 136,001.28, 204,030.72 and 42,514.08

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Solution

The fourth proportional to 136,001.28, 204,030.72 and 42,514.08 is: 63,780.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,001.28 : 204,030.72 = 42,514.08 : x
  2. Step 2: Convert to fraction form
    136,001.28/204,030.72 = 42,514.08/x
  3. Step 3: Cross multiply
    136,001.28x = 204,030.72 × 42,514.08
  4. Step 4: Simplify right side
    136,001.28x = 8,674,178,352.54
  5. Step 5: Solve for x
    x = 8,674,178,352.54/136,001.28
  6. Step 6: Final answer
    x = 63,780.12

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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.