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Finding the Fourth Proportional to 155,114.70, 232,672.05 and 76,382.70

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Solution

The fourth proportional to 155,114.70, 232,672.05 and 76,382.70 is: 114,574.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,114.70 : 232,672.05 = 76,382.70 : x
  2. Step 2: Convert to fraction form
    155,114.70/232,672.05 = 76,382.70/x
  3. Step 3: Cross multiply
    155,114.70x = 232,672.05 × 76,382.70
  4. Step 4: Simplify right side
    155,114.70x = 17,772,119,393.54
  5. Step 5: Solve for x
    x = 17,772,119,393.54/155,114.70
  6. Step 6: Final answer
    x = 114,574.05

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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.