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Finding the Fourth Proportional to 101,487.40, 152,231.10 and 97,340.20

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Solution

The fourth proportional to 101,487.40, 152,231.10 and 97,340.20 is: 146,010.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,487.40 : 152,231.10 = 97,340.20 : x
  2. Step 2: Convert to fraction form
    101,487.40/152,231.10 = 97,340.20/x
  3. Step 3: Cross multiply
    101,487.40x = 152,231.10 × 97,340.20
  4. Step 4: Simplify right side
    101,487.40x = 14,818,205,720.22
  5. Step 5: Solve for x
    x = 14,818,205,720.22/101,487.40
  6. Step 6: Final answer
    x = 146,010.30

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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.