Home / 144,816.30-217,224.45-91,672.20

Finding the Fourth Proportional to 144,816.30, 217,224.45 and 91,672.20

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Solution

The fourth proportional to 144,816.30, 217,224.45 and 91,672.20 is: 137,508.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,816.30 : 217,224.45 = 91,672.20 : x
  2. Step 2: Convert to fraction form
    144,816.30/217,224.45 = 91,672.20/x
  3. Step 3: Cross multiply
    144,816.30x = 217,224.45 × 91,672.20
  4. Step 4: Simplify right side
    144,816.30x = 19,913,443,225.29
  5. Step 5: Solve for x
    x = 19,913,443,225.29/144,816.30
  6. Step 6: Final answer
    x = 137,508.30

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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.