Home / 160,002.20-239,420.10-146,005.40

Finding the Fourth Proportional to 160,002.20, 239,420.10 and 146,005.40

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Solution

The fourth proportional to 160,002.20, 239,420.10 and 146,005.40 is: 218,475.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,002.20 : 239,420.10 = 146,005.40 : x
  2. Step 2: Convert to fraction form
    160,002.20/239,420.10 = 146,005.40/x
  3. Step 3: Cross multiply
    160,002.20x = 239,420.10 × 146,005.40
  4. Step 4: Simplify right side
    160,002.20x = 34,956,627,468.54
  5. Step 5: Solve for x
    x = 34,956,627,468.54/160,002.20
  6. Step 6: Final answer
    x = 218,475.92

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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.