Home / 109,630.20-164,445.30-47,300.70

Finding the Fourth Proportional to 109,630.20, 164,445.30 and 47,300.70

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Solution

The fourth proportional to 109,630.20, 164,445.30 and 47,300.70 is: 70,951.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,630.20 : 164,445.30 = 47,300.70 : x
  2. Step 2: Convert to fraction form
    109,630.20/164,445.30 = 47,300.70/x
  3. Step 3: Cross multiply
    109,630.20x = 164,445.30 × 47,300.70
  4. Step 4: Simplify right side
    109,630.20x = 7,778,377,801.71
  5. Step 5: Solve for x
    x = 7,778,377,801.71/109,630.20
  6. Step 6: Final answer
    x = 70,951.05

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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.