Home / 147,527.29-221,093.28-138,079.45

Finding the Fourth Proportional to 147,527.29, 221,093.28 and 138,079.45

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Solution

The fourth proportional to 147,527.29, 221,093.28 and 138,079.45 is: 206,934.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,527.29 : 221,093.28 = 138,079.45 : x
  2. Step 2: Convert to fraction form
    147,527.29/221,093.28 = 138,079.45/x
  3. Step 3: Cross multiply
    147,527.29x = 221,093.28 × 138,079.45
  4. Step 4: Simplify right side
    147,527.29x = 30,528,438,501.10
  5. Step 5: Solve for x
    x = 30,528,438,501.10/147,527.29
  6. Step 6: Final answer
    x = 206,934.18

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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.