Home / 155,409.24-232,612.56-80,426.22

Finding the Fourth Proportional to 155,409.24, 232,612.56 and 80,426.22

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Solution

The fourth proportional to 155,409.24, 232,612.56 and 80,426.22 is: 120,379.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,409.24 : 232,612.56 = 80,426.22 : x
  2. Step 2: Convert to fraction form
    155,409.24/232,612.56 = 80,426.22/x
  3. Step 3: Cross multiply
    155,409.24x = 232,612.56 × 80,426.22
  4. Step 4: Simplify right side
    155,409.24x = 18,708,148,925.32
  5. Step 5: Solve for x
    x = 18,708,148,925.32/155,409.24
  6. Step 6: Final answer
    x = 120,379.90

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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.