Home / 155,041.20-232,561.80-149,136.30

Finding the Fourth Proportional to 155,041.20, 232,561.80 and 149,136.30

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Solution

The fourth proportional to 155,041.20, 232,561.80 and 149,136.30 is: 223,704.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,041.20 : 232,561.80 = 149,136.30 : x
  2. Step 2: Convert to fraction form
    155,041.20/232,561.80 = 149,136.30/x
  3. Step 3: Cross multiply
    155,041.20x = 232,561.80 × 149,136.30
  4. Step 4: Simplify right side
    155,041.20x = 34,683,406,373.34
  5. Step 5: Solve for x
    x = 34,683,406,373.34/155,041.20
  6. Step 6: Final answer
    x = 223,704.45

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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.