Home / 256,875.24-354,471.48-140,565.12

Finding the Fourth Proportional to 256,875.24, 354,471.48 and 140,565.12

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Solution

The fourth proportional to 256,875.24, 354,471.48 and 140,565.12 is: 193,970.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,875.24 : 354,471.48 = 140,565.12 : x
  2. Step 2: Convert to fraction form
    256,875.24/354,471.48 = 140,565.12/x
  3. Step 3: Cross multiply
    256,875.24x = 354,471.48 × 140,565.12
  4. Step 4: Simplify right side
    256,875.24x = 49,826,326,122.78
  5. Step 5: Solve for x
    x = 49,826,326,122.78/256,875.24
  6. Step 6: Final answer
    x = 193,970.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.