Home / 151,295.20-208,793.04-83,315.12

Finding the Fourth Proportional to 151,295.20, 208,793.04 and 83,315.12

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Solution

The fourth proportional to 151,295.20, 208,793.04 and 83,315.12 is: 114,977.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,295.20 : 208,793.04 = 83,315.12 : x
  2. Step 2: Convert to fraction form
    151,295.20/208,793.04 = 83,315.12/x
  3. Step 3: Cross multiply
    151,295.20x = 208,793.04 × 83,315.12
  4. Step 4: Simplify right side
    151,295.20x = 17,395,617,182.76
  5. Step 5: Solve for x
    x = 17,395,617,182.76/151,295.20
  6. Step 6: Final answer
    x = 114,977.98

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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.