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Finding the Fourth Proportional to 161,142.60, 241,422.30 and 98,740.20

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Solution

The fourth proportional to 161,142.60, 241,422.30 and 98,740.20 is: 147,931.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,142.60 : 241,422.30 = 98,740.20 : x
  2. Step 2: Convert to fraction form
    161,142.60/241,422.30 = 98,740.20/x
  3. Step 3: Cross multiply
    161,142.60x = 241,422.30 × 98,740.20
  4. Step 4: Simplify right side
    161,142.60x = 23,838,086,186.46
  5. Step 5: Solve for x
    x = 23,838,086,186.46/161,142.60
  6. Step 6: Final answer
    x = 147,931.62

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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.