Home / 147,355.18-203,347.38-81,948.02

Finding the Fourth Proportional to 147,355.18, 203,347.38 and 81,948.02

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Solution

The fourth proportional to 147,355.18, 203,347.38 and 81,948.02 is: 113,086.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,355.18 : 203,347.38 = 81,948.02 : x
  2. Step 2: Convert to fraction form
    147,355.18/203,347.38 = 81,948.02/x
  3. Step 3: Cross multiply
    147,355.18x = 203,347.38 × 81,948.02
  4. Step 4: Simplify right side
    147,355.18x = 16,663,915,163.19
  5. Step 5: Solve for x
    x = 16,663,915,163.19/147,355.18
  6. Step 6: Final answer
    x = 113,086.73

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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.