Home / 215,454.48-297,277.56-130,553.52

Finding the Fourth Proportional to 215,454.48, 297,277.56 and 130,553.52

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Solution

The fourth proportional to 215,454.48, 297,277.56 and 130,553.52 is: 180,133.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,454.48 : 297,277.56 = 130,553.52 : x
  2. Step 2: Convert to fraction form
    215,454.48/297,277.56 = 130,553.52/x
  3. Step 3: Cross multiply
    215,454.48x = 297,277.56 × 130,553.52
  4. Step 4: Simplify right side
    215,454.48x = 38,810,631,875.01
  5. Step 5: Solve for x
    x = 38,810,631,875.01/215,454.48
  6. Step 6: Final answer
    x = 180,133.79

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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.