Home / 109,069.90-163,608.50-30,177.52

Finding the Fourth Proportional to 109,069.90, 163,608.50 and 30,177.52

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Solution

The fourth proportional to 109,069.90, 163,608.50 and 30,177.52 is: 45,267.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,069.90 : 163,608.50 = 30,177.52 : x
  2. Step 2: Convert to fraction form
    109,069.90/163,608.50 = 30,177.52/x
  3. Step 3: Cross multiply
    109,069.90x = 163,608.50 × 30,177.52
  4. Step 4: Simplify right side
    109,069.90x = 4,937,298,780.92
  5. Step 5: Solve for x
    x = 4,937,298,780.92/109,069.90
  6. Step 6: Final answer
    x = 45,267.29

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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.