Home / 145,544.85-200,849.52-81,882.19

Finding the Fourth Proportional to 145,544.85, 200,849.52 and 81,882.19

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Solution

The fourth proportional to 145,544.85, 200,849.52 and 81,882.19 is: 112,996.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,544.85 : 200,849.52 = 81,882.19 : x
  2. Step 2: Convert to fraction form
    145,544.85/200,849.52 = 81,882.19/x
  3. Step 3: Cross multiply
    145,544.85x = 200,849.52 × 81,882.19
  4. Step 4: Simplify right side
    145,544.85x = 16,445,999,116.17
  5. Step 5: Solve for x
    x = 16,445,999,116.17/145,544.85
  6. Step 6: Final answer
    x = 112,996.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.