Home / 155,269.51-232,738.17-80,314.21

Finding the Fourth Proportional to 155,269.51, 232,738.17 and 80,314.21

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Solution

The fourth proportional to 155,269.51, 232,738.17 and 80,314.21 is: 120,385.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,269.51 : 232,738.17 = 80,314.21 : x
  2. Step 2: Convert to fraction form
    155,269.51/232,738.17 = 80,314.21/x
  3. Step 3: Cross multiply
    155,269.51x = 232,738.17 × 80,314.21
  4. Step 4: Simplify right side
    155,269.51x = 18,692,182,260.40
  5. Step 5: Solve for x
    x = 18,692,182,260.40/155,269.51
  6. Step 6: Final answer
    x = 120,385.40

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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.