Home / 98,005.10-147,056.26-38,839.46

Finding the Fourth Proportional to 98,005.10, 147,056.26 and 38,839.46

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Solution

The fourth proportional to 98,005.10, 147,056.26 and 38,839.46 is: 58,278.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,005.10 : 147,056.26 = 38,839.46 : x
  2. Step 2: Convert to fraction form
    98,005.10/147,056.26 = 38,839.46/x
  3. Step 3: Cross multiply
    98,005.10x = 147,056.26 × 38,839.46
  4. Step 4: Simplify right side
    98,005.10x = 5,711,585,728.02
  5. Step 5: Solve for x
    x = 5,711,585,728.02/98,005.10
  6. Step 6: Final answer
    x = 58,278.45

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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.