Home / 125,013.84-172,519.16-68,425.52

Finding the Fourth Proportional to 125,013.84, 172,519.16 and 68,425.52

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Solution

The fourth proportional to 125,013.84, 172,519.16 and 68,425.52 is: 94,427.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,013.84 : 172,519.16 = 68,425.52 : x
  2. Step 2: Convert to fraction form
    125,013.84/172,519.16 = 68,425.52/x
  3. Step 3: Cross multiply
    125,013.84x = 172,519.16 × 68,425.52
  4. Step 4: Simplify right side
    125,013.84x = 11,804,713,232.96
  5. Step 5: Solve for x
    x = 11,804,713,232.96/125,013.84
  6. Step 6: Final answer
    x = 94,427.25

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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.