Home / 147,354.88-203,265.60-90,726.40

Finding the Fourth Proportional to 147,354.88, 203,265.60 and 90,726.40

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Solution

The fourth proportional to 147,354.88, 203,265.60 and 90,726.40 is: 125,150.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,354.88 : 203,265.60 = 90,726.40 : x
  2. Step 2: Convert to fraction form
    147,354.88/203,265.60 = 90,726.40/x
  3. Step 3: Cross multiply
    147,354.88x = 203,265.60 × 90,726.40
  4. Step 4: Simplify right side
    147,354.88x = 18,441,556,131.84
  5. Step 5: Solve for x
    x = 18,441,556,131.84/147,354.88
  6. Step 6: Final answer
    x = 125,150.63

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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.