Home / 118,340.90-163,217.85-75,903.30

Finding the Fourth Proportional to 118,340.90, 163,217.85 and 75,903.30

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Solution

The fourth proportional to 118,340.90, 163,217.85 and 75,903.30 is: 104,687.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,340.90 : 163,217.85 = 75,903.30 : x
  2. Step 2: Convert to fraction form
    118,340.90/163,217.85 = 75,903.30/x
  3. Step 3: Cross multiply
    118,340.90x = 163,217.85 × 75,903.30
  4. Step 4: Simplify right side
    118,340.90x = 12,388,773,433.91
  5. Step 5: Solve for x
    x = 12,388,773,433.91/118,340.90
  6. Step 6: Final answer
    x = 104,687.17

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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.