Home / 125,630.20-188,445.30-55,473.40

Finding the Fourth Proportional to 125,630.20, 188,445.30 and 55,473.40

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Solution

The fourth proportional to 125,630.20, 188,445.30 and 55,473.40 is: 83,210.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,630.20 : 188,445.30 = 55,473.40 : x
  2. Step 2: Convert to fraction form
    125,630.20/188,445.30 = 55,473.40/x
  3. Step 3: Cross multiply
    125,630.20x = 188,445.30 × 55,473.40
  4. Step 4: Simplify right side
    125,630.20x = 10,453,701,505.02
  5. Step 5: Solve for x
    x = 10,453,701,505.02/125,630.20
  6. Step 6: Final answer
    x = 83,210.10

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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.