Home / 208,228.16-312,355.92-83,552.96

Finding the Fourth Proportional to 208,228.16, 312,355.92 and 83,552.96

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Solution

The fourth proportional to 208,228.16, 312,355.92 and 83,552.96 is: 125,334.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,228.16 : 312,355.92 = 83,552.96 : x
  2. Step 2: Convert to fraction form
    208,228.16/312,355.92 = 83,552.96/x
  3. Step 3: Cross multiply
    208,228.16x = 312,355.92 × 83,552.96
  4. Step 4: Simplify right side
    208,228.16x = 26,098,261,689.52
  5. Step 5: Solve for x
    x = 26,098,261,689.52/208,228.16
  6. Step 6: Final answer
    x = 125,334.93

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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.