Home / 162,003.84-223,565.94-90,386.88

Finding the Fourth Proportional to 162,003.84, 223,565.94 and 90,386.88

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Solution

The fourth proportional to 162,003.84, 223,565.94 and 90,386.88 is: 124,734.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,003.84 : 223,565.94 = 90,386.88 : x
  2. Step 2: Convert to fraction form
    162,003.84/223,565.94 = 90,386.88/x
  3. Step 3: Cross multiply
    162,003.84x = 223,565.94 × 90,386.88
  4. Step 4: Simplify right side
    162,003.84x = 20,207,427,790.87
  5. Step 5: Solve for x
    x = 20,207,427,790.87/162,003.84
  6. Step 6: Final answer
    x = 124,734.25

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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.