Home / 155,017.20-232,525.80-149,112.30

Finding the Fourth Proportional to 155,017.20, 232,525.80 and 149,112.30

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Solution

The fourth proportional to 155,017.20, 232,525.80 and 149,112.30 is: 223,668.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,017.20 : 232,525.80 = 149,112.30 : x
  2. Step 2: Convert to fraction form
    155,017.20/232,525.80 = 149,112.30/x
  3. Step 3: Cross multiply
    155,017.20x = 232,525.80 × 149,112.30
  4. Step 4: Simplify right side
    155,017.20x = 34,672,456,847.34
  5. Step 5: Solve for x
    x = 34,672,456,847.34/155,017.20
  6. Step 6: Final answer
    x = 223,668.45

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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.