Home / 136,085.65-187,798.02-75,654.38

Finding the Fourth Proportional to 136,085.65, 187,798.02 and 75,654.38

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Solution

The fourth proportional to 136,085.65, 187,798.02 and 75,654.38 is: 104,402.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,085.65 : 187,798.02 = 75,654.38 : x
  2. Step 2: Convert to fraction form
    136,085.65/187,798.02 = 75,654.38/x
  3. Step 3: Cross multiply
    136,085.65x = 187,798.02 × 75,654.38
  4. Step 4: Simplify right side
    136,085.65x = 14,207,742,768.33
  5. Step 5: Solve for x
    x = 14,207,742,768.33/136,085.65
  6. Step 6: Final answer
    x = 104,402.95

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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.