Home / 155,982.12-233,973.18-45,174.12

Finding the Fourth Proportional to 155,982.12, 233,973.18 and 45,174.12

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Solution

The fourth proportional to 155,982.12, 233,973.18 and 45,174.12 is: 67,761.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,982.12 : 233,973.18 = 45,174.12 : x
  2. Step 2: Convert to fraction form
    155,982.12/233,973.18 = 45,174.12/x
  3. Step 3: Cross multiply
    155,982.12x = 233,973.18 × 45,174.12
  4. Step 4: Simplify right side
    155,982.12x = 10,569,532,510.10
  5. Step 5: Solve for x
    x = 10,569,532,510.10/155,982.12
  6. Step 6: Final answer
    x = 67,761.18

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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.