Home / 68,148.04-102,189.72-23,769.40

Finding the Fourth Proportional to 68,148.04, 102,189.72 and 23,769.40

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Solution

The fourth proportional to 68,148.04, 102,189.72 and 23,769.40 is: 35,642.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,148.04 : 102,189.72 = 23,769.40 : x
  2. Step 2: Convert to fraction form
    68,148.04/102,189.72 = 23,769.40/x
  3. Step 3: Cross multiply
    68,148.04x = 102,189.72 × 23,769.40
  4. Step 4: Simplify right side
    68,148.04x = 2,428,988,330.57
  5. Step 5: Solve for x
    x = 2,428,988,330.57/68,148.04
  6. Step 6: Final answer
    x = 35,642.82

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1.5x scale

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.