Home / 232,878.31-321,406.10-130,912.17

Finding the Fourth Proportional to 232,878.31, 321,406.10 and 130,912.17

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Solution

The fourth proportional to 232,878.31, 321,406.10 and 130,912.17 is: 180,677.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,878.31 : 321,406.10 = 130,912.17 : x
  2. Step 2: Convert to fraction form
    232,878.31/321,406.10 = 130,912.17/x
  3. Step 3: Cross multiply
    232,878.31x = 321,406.10 × 130,912.17
  4. Step 4: Simplify right side
    232,878.31x = 42,075,970,002.24
  5. Step 5: Solve for x
    x = 42,075,970,002.24/232,878.31
  6. Step 6: Final answer
    x = 180,677.93

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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.