Home / 192,140.30-288,037.65-125,612.30

Finding the Fourth Proportional to 192,140.30, 288,037.65 and 125,612.30

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Solution

The fourth proportional to 192,140.30, 288,037.65 and 125,612.30 is: 188,305.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,140.30 : 288,037.65 = 125,612.30 : x
  2. Step 2: Convert to fraction form
    192,140.30/288,037.65 = 125,612.30/x
  3. Step 3: Cross multiply
    192,140.30x = 288,037.65 × 125,612.30
  4. Step 4: Simplify right side
    192,140.30x = 36,181,071,703.10
  5. Step 5: Solve for x
    x = 36,181,071,703.10/192,140.30
  6. Step 6: Final answer
    x = 188,305.48

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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.