Home / 147,591.67-221,505.47-76,534.51

Finding the Fourth Proportional to 147,591.67, 221,505.47 and 76,534.51

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Solution

The fourth proportional to 147,591.67, 221,505.47 and 76,534.51 is: 114,862.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,591.67 : 221,505.47 = 76,534.51 : x
  2. Step 2: Convert to fraction form
    147,591.67/221,505.47 = 76,534.51/x
  3. Step 3: Cross multiply
    147,591.67x = 221,505.47 × 76,534.51
  4. Step 4: Simplify right side
    147,591.67x = 16,952,812,226.10
  5. Step 5: Solve for x
    x = 16,952,812,226.10/147,591.67
  6. Step 6: Final answer
    x = 114,862.93

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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.