Home / 155,614.60-233,153.10-72,337.80

Finding the Fourth Proportional to 155,614.60, 233,153.10 and 72,337.80

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Solution

The fourth proportional to 155,614.60, 233,153.10 and 72,337.80 is: 108,381.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,614.60 : 233,153.10 = 72,337.80 : x
  2. Step 2: Convert to fraction form
    155,614.60/233,153.10 = 72,337.80/x
  3. Step 3: Cross multiply
    155,614.60x = 233,153.10 × 72,337.80
  4. Step 4: Simplify right side
    155,614.60x = 16,865,782,317.18
  5. Step 5: Solve for x
    x = 16,865,782,317.18/155,614.60
  6. Step 6: Final answer
    x = 108,381.75

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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.