Home / 166,769.32-230,143.52-90,290.08

Finding the Fourth Proportional to 166,769.32, 230,143.52 and 90,290.08

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Solution

The fourth proportional to 166,769.32, 230,143.52 and 90,290.08 is: 124,601.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,769.32 : 230,143.52 = 90,290.08 : x
  2. Step 2: Convert to fraction form
    166,769.32/230,143.52 = 90,290.08/x
  3. Step 3: Cross multiply
    166,769.32x = 230,143.52 × 90,290.08
  4. Step 4: Simplify right side
    166,769.32x = 20,779,676,387.19
  5. Step 5: Solve for x
    x = 20,779,676,387.19/166,769.32
  6. Step 6: Final answer
    x = 124,601.32

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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.