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Finding the Fourth Proportional to 145,500.10, 218,250.15 and 98,844.10

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Solution

The fourth proportional to 145,500.10, 218,250.15 and 98,844.10 is: 148,266.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,500.10 : 218,250.15 = 98,844.10 : x
  2. Step 2: Convert to fraction form
    145,500.10/218,250.15 = 98,844.10/x
  3. Step 3: Cross multiply
    145,500.10x = 218,250.15 × 98,844.10
  4. Step 4: Simplify right side
    145,500.10x = 21,572,739,651.62
  5. Step 5: Solve for x
    x = 21,572,739,651.62/145,500.10
  6. Step 6: Final answer
    x = 148,266.15

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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.