Home / 233,129.48-321,718.16-131,154.98

Finding the Fourth Proportional to 233,129.48, 321,718.16 and 131,154.98

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Solution

The fourth proportional to 233,129.48, 321,718.16 and 131,154.98 is: 180,993.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,129.48 : 321,718.16 = 131,154.98 : x
  2. Step 2: Convert to fraction form
    233,129.48/321,718.16 = 131,154.98/x
  3. Step 3: Cross multiply
    233,129.48x = 321,718.16 × 131,154.98
  4. Step 4: Simplify right side
    233,129.48x = 42,194,938,184.66
  5. Step 5: Solve for x
    x = 42,194,938,184.66/233,129.48
  6. Step 6: Final answer
    x = 180,993.58

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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.