Home / 125,335.45-172,962.20-67,974.20

Finding the Fourth Proportional to 125,335.45, 172,962.20 and 67,974.20

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Solution

The fourth proportional to 125,335.45, 172,962.20 and 67,974.20 is: 93,804.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,335.45 : 172,962.20 = 67,974.20 : x
  2. Step 2: Convert to fraction form
    125,335.45/172,962.20 = 67,974.20/x
  3. Step 3: Cross multiply
    125,335.45x = 172,962.20 × 67,974.20
  4. Step 4: Simplify right side
    125,335.45x = 11,756,967,175.24
  5. Step 5: Solve for x
    x = 11,756,967,175.24/125,335.45
  6. Step 6: Final answer
    x = 93,804.00

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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.