Home / 125,331.69-172,960.43-68,742.93

Finding the Fourth Proportional to 125,331.69, 172,960.43 and 68,742.93

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Solution

The fourth proportional to 125,331.69, 172,960.43 and 68,742.93 is: 94,866.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,331.69 : 172,960.43 = 68,742.93 : x
  2. Step 2: Convert to fraction form
    125,331.69/172,960.43 = 68,742.93/x
  3. Step 3: Cross multiply
    125,331.69x = 172,960.43 × 68,742.93
  4. Step 4: Simplify right side
    125,331.69x = 11,889,806,732.26
  5. Step 5: Solve for x
    x = 11,889,806,732.26/125,331.69
  6. Step 6: Final answer
    x = 94,866.72

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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.