Home / 155,114.32-232,672.56-84,955.36

Finding the Fourth Proportional to 155,114.32, 232,672.56 and 84,955.36

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Solution

The fourth proportional to 155,114.32, 232,672.56 and 84,955.36 is: 127,433.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,114.32 : 232,672.56 = 84,955.36 : x
  2. Step 2: Convert to fraction form
    155,114.32/232,672.56 = 84,955.36/x
  3. Step 3: Cross multiply
    155,114.32x = 232,672.56 × 84,955.36
  4. Step 4: Simplify right side
    155,114.32x = 19,766,781,096.92
  5. Step 5: Solve for x
    x = 19,766,781,096.92/155,114.32
  6. Step 6: Final answer
    x = 127,433.63

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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.