Home / 146,949.79-220,487.10-80,312.07

Finding the Fourth Proportional to 146,949.79, 220,487.10 and 80,312.07

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Solution

The fourth proportional to 146,949.79, 220,487.10 and 80,312.07 is: 120,502.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,949.79 : 220,487.10 = 80,312.07 : x
  2. Step 2: Convert to fraction form
    146,949.79/220,487.10 = 80,312.07/x
  3. Step 3: Cross multiply
    146,949.79x = 220,487.10 × 80,312.07
  4. Step 4: Simplify right side
    146,949.79x = 17,707,774,694.71
  5. Step 5: Solve for x
    x = 17,707,774,694.71/146,949.79
  6. Step 6: Final answer
    x = 120,502.21

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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.