Home / 101,446.20-152,136.90-42,267.60

Finding the Fourth Proportional to 101,446.20, 152,136.90 and 42,267.60

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Solution

The fourth proportional to 101,446.20, 152,136.90 and 42,267.60 is: 63,387.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,446.20 : 152,136.90 = 42,267.60 : x
  2. Step 2: Convert to fraction form
    101,446.20/152,136.90 = 42,267.60/x
  3. Step 3: Cross multiply
    101,446.20x = 152,136.90 × 42,267.60
  4. Step 4: Simplify right side
    101,446.20x = 6,430,461,634.44
  5. Step 5: Solve for x
    x = 6,430,461,634.44/101,446.20
  6. Step 6: Final answer
    x = 63,387.90

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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.