Home / 148,698.91-205,137.52-88,272.10

Finding the Fourth Proportional to 148,698.91, 205,137.52 and 88,272.10

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Solution

The fourth proportional to 148,698.91, 205,137.52 and 88,272.10 is: 121,775.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,698.91 : 205,137.52 = 88,272.10 : x
  2. Step 2: Convert to fraction form
    148,698.91/205,137.52 = 88,272.10/x
  3. Step 3: Cross multiply
    148,698.91x = 205,137.52 × 88,272.10
  4. Step 4: Simplify right side
    148,698.91x = 18,107,919,679.19
  5. Step 5: Solve for x
    x = 18,107,919,679.19/148,698.91
  6. Step 6: Final answer
    x = 121,775.74

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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.