Home / 148,114.41-204,310.14-90,779.46

Finding the Fourth Proportional to 148,114.41, 204,310.14 and 90,779.46

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Solution

The fourth proportional to 148,114.41, 204,310.14 and 90,779.46 is: 125,221.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,114.41 : 204,310.14 = 90,779.46 : x
  2. Step 2: Convert to fraction form
    148,114.41/204,310.14 = 90,779.46/x
  3. Step 3: Cross multiply
    148,114.41x = 204,310.14 × 90,779.46
  4. Step 4: Simplify right side
    148,114.41x = 18,547,164,181.72
  5. Step 5: Solve for x
    x = 18,547,164,181.72/148,114.41
  6. Step 6: Final answer
    x = 125,221.88

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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.