Home / 238,776.86-329,510.23-131,344.54

Finding the Fourth Proportional to 238,776.86, 329,510.23 and 131,344.54

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Solution

The fourth proportional to 238,776.86, 329,510.23 and 131,344.54 is: 181,254.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,776.86 : 329,510.23 = 131,344.54 : x
  2. Step 2: Convert to fraction form
    238,776.86/329,510.23 = 131,344.54/x
  3. Step 3: Cross multiply
    238,776.86x = 329,510.23 × 131,344.54
  4. Step 4: Simplify right side
    238,776.86x = 43,279,368,432.51
  5. Step 5: Solve for x
    x = 43,279,368,432.51/238,776.86
  6. Step 6: Final answer
    x = 181,254.45

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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.