Home / 155,510.72-233,264.55-71,246.98

Finding the Fourth Proportional to 155,510.72, 233,264.55 and 71,246.98

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Solution

The fourth proportional to 155,510.72, 233,264.55 and 71,246.98 is: 106,869.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,510.72 : 233,264.55 = 71,246.98 : x
  2. Step 2: Convert to fraction form
    155,510.72/233,264.55 = 71,246.98/x
  3. Step 3: Cross multiply
    155,510.72x = 233,264.55 × 71,246.98
  4. Step 4: Simplify right side
    155,510.72x = 16,619,394,728.56
  5. Step 5: Solve for x
    x = 16,619,394,728.56/155,510.72
  6. Step 6: Final answer
    x = 106,869.77

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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.