Home / 197,875.64-296,321.07-138,432.98

Finding the Fourth Proportional to 197,875.64, 296,321.07 and 138,432.98

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Solution

The fourth proportional to 197,875.64, 296,321.07 and 138,432.98 is: 207,305.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,875.64 : 296,321.07 = 138,432.98 : x
  2. Step 2: Convert to fraction form
    197,875.64/296,321.07 = 138,432.98/x
  3. Step 3: Cross multiply
    197,875.64x = 296,321.07 × 138,432.98
  4. Step 4: Simplify right side
    197,875.64x = 41,020,608,756.89
  5. Step 5: Solve for x
    x = 41,020,608,756.89/197,875.64
  6. Step 6: Final answer
    x = 207,305.00

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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.