Home / 233,159.31-321,752.66-131,190.48

Finding the Fourth Proportional to 233,159.31, 321,752.66 and 131,190.48

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Solution

The fourth proportional to 233,159.31, 321,752.66 and 131,190.48 is: 181,038.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,159.31 : 321,752.66 = 131,190.48 : x
  2. Step 2: Convert to fraction form
    233,159.31/321,752.66 = 131,190.48/x
  3. Step 3: Cross multiply
    233,159.31x = 321,752.66 × 131,190.48
  4. Step 4: Simplify right side
    233,159.31x = 42,210,885,250.72
  5. Step 5: Solve for x
    x = 42,210,885,250.72/233,159.31
  6. Step 6: Final answer
    x = 181,038.82

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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.