Home / 90,525.60-135,827.28-64,398.24

Finding the Fourth Proportional to 90,525.60, 135,827.28 and 64,398.24

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Solution

The fourth proportional to 90,525.60, 135,827.28 and 64,398.24 is: 96,625.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,525.60 : 135,827.28 = 64,398.24 : x
  2. Step 2: Convert to fraction form
    90,525.60/135,827.28 = 64,398.24/x
  3. Step 3: Cross multiply
    90,525.60x = 135,827.28 × 64,398.24
  4. Step 4: Simplify right side
    90,525.60x = 8,747,037,775.99
  5. Step 5: Solve for x
    x = 8,747,037,775.99/90,525.60
  6. Step 6: Final answer
    x = 96,625.02

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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.