Home / 151,404.80-227,107.20-72,478.40

Finding the Fourth Proportional to 151,404.80, 227,107.20 and 72,478.40

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Solution

The fourth proportional to 151,404.80, 227,107.20 and 72,478.40 is: 108,717.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,404.80 : 227,107.20 = 72,478.40 : x
  2. Step 2: Convert to fraction form
    151,404.80/227,107.20 = 72,478.40/x
  3. Step 3: Cross multiply
    151,404.80x = 227,107.20 × 72,478.40
  4. Step 4: Simplify right side
    151,404.80x = 16,460,366,484.48
  5. Step 5: Solve for x
    x = 16,460,366,484.48/151,404.80
  6. Step 6: Final answer
    x = 108,717.60

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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.