Home / 160,341.91-240,438.74-90,221.22

Finding the Fourth Proportional to 160,341.91, 240,438.74 and 90,221.22

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Solution

The fourth proportional to 160,341.91, 240,438.74 and 90,221.22 is: 135,290.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,341.91 : 240,438.74 = 90,221.22 : x
  2. Step 2: Convert to fraction form
    160,341.91/240,438.74 = 90,221.22/x
  3. Step 3: Cross multiply
    160,341.91x = 240,438.74 × 90,221.22
  4. Step 4: Simplify right side
    160,341.91x = 21,692,676,458.06
  5. Step 5: Solve for x
    x = 21,692,676,458.06/160,341.91
  6. Step 6: Final answer
    x = 135,290.12

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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.