Home / 165,000.18-247,374.63-90,184.26

Finding the Fourth Proportional to 165,000.18, 247,374.63 and 90,184.26

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Solution

The fourth proportional to 165,000.18, 247,374.63 and 90,184.26 is: 135,207.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,000.18 : 247,374.63 = 90,184.26 : x
  2. Step 2: Convert to fraction form
    165,000.18/247,374.63 = 90,184.26/x
  3. Step 3: Cross multiply
    165,000.18x = 247,374.63 × 90,184.26
  4. Step 4: Simplify right side
    165,000.18x = 22,309,297,949.32
  5. Step 5: Solve for x
    x = 22,309,297,949.32/165,000.18
  6. Step 6: Final answer
    x = 135,207.72

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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.