Home / 166,595.76-229,901.46-90,114.90

Finding the Fourth Proportional to 166,595.76, 229,901.46 and 90,114.90

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Solution

The fourth proportional to 166,595.76, 229,901.46 and 90,114.90 is: 124,358.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,595.76 : 229,901.46 = 90,114.90 : x
  2. Step 2: Convert to fraction form
    166,595.76/229,901.46 = 90,114.90/x
  3. Step 3: Cross multiply
    166,595.76x = 229,901.46 × 90,114.90
  4. Step 4: Simplify right side
    166,595.76x = 20,717,547,077.75
  5. Step 5: Solve for x
    x = 20,717,547,077.75/166,595.76
  6. Step 6: Final answer
    x = 124,358.19

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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.