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Finding the Fourth Proportional to 147,104.40, 220,658.76 and 36,296.40

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Solution

The fourth proportional to 147,104.40, 220,658.76 and 36,296.40 is: 54,445.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,104.40 : 220,658.76 = 36,296.40 : x
  2. Step 2: Convert to fraction form
    147,104.40/220,658.76 = 36,296.40/x
  3. Step 3: Cross multiply
    147,104.40x = 220,658.76 × 36,296.40
  4. Step 4: Simplify right side
    147,104.40x = 8,009,118,616.46
  5. Step 5: Solve for x
    x = 8,009,118,616.46/147,104.40
  6. Step 6: Final answer
    x = 54,445.13

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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.