Home / 147,553.40-203,641.98-90,180.92

Finding the Fourth Proportional to 147,553.40, 203,641.98 and 90,180.92

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Solution

The fourth proportional to 147,553.40, 203,641.98 and 90,180.92 is: 124,460.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,553.40 : 203,641.98 = 90,180.92 : x
  2. Step 2: Convert to fraction form
    147,553.40/203,641.98 = 90,180.92/x
  3. Step 3: Cross multiply
    147,553.40x = 203,641.98 × 90,180.92
  4. Step 4: Simplify right side
    147,553.40x = 18,364,621,107.02
  5. Step 5: Solve for x
    x = 18,364,621,107.02/147,553.40
  6. Step 6: Final answer
    x = 124,460.85

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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.