Home / 195,189.32-292,779.08-90,008.20

Finding the Fourth Proportional to 195,189.32, 292,779.08 and 90,008.20

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Solution

The fourth proportional to 195,189.32, 292,779.08 and 90,008.20 is: 135,010.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,189.32 : 292,779.08 = 90,008.20 : x
  2. Step 2: Convert to fraction form
    195,189.32/292,779.08 = 90,008.20/x
  3. Step 3: Cross multiply
    195,189.32x = 292,779.08 × 90,008.20
  4. Step 4: Simplify right side
    195,189.32x = 26,352,517,988.46
  5. Step 5: Solve for x
    x = 26,352,517,988.46/195,189.32
  6. Step 6: Final answer
    x = 135,010.04

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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.