Home / 90,847.20-136,295.10-64,603.20

Finding the Fourth Proportional to 90,847.20, 136,295.10 and 64,603.20

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Solution

The fourth proportional to 90,847.20, 136,295.10 and 64,603.20 is: 96,922.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,847.20 : 136,295.10 = 64,603.20 : x
  2. Step 2: Convert to fraction form
    90,847.20/136,295.10 = 64,603.20/x
  3. Step 3: Cross multiply
    90,847.20x = 136,295.10 × 64,603.20
  4. Step 4: Simplify right side
    90,847.20x = 8,805,099,604.32
  5. Step 5: Solve for x
    x = 8,805,099,604.32/90,847.20
  6. Step 6: Final answer
    x = 96,922.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.