Home / 125,430.30-188,364.15-121,493.70

Finding the Fourth Proportional to 125,430.30, 188,364.15 and 121,493.70

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Solution

The fourth proportional to 125,430.30, 188,364.15 and 121,493.70 is: 182,452.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,430.30 : 188,364.15 = 121,493.70 : x
  2. Step 2: Convert to fraction form
    125,430.30/188,364.15 = 121,493.70/x
  3. Step 3: Cross multiply
    125,430.30x = 188,364.15 × 121,493.70
  4. Step 4: Simplify right side
    125,430.30x = 22,885,057,530.86
  5. Step 5: Solve for x
    x = 22,885,057,530.86/125,430.30
  6. Step 6: Final answer
    x = 182,452.39

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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.