Home / 125,131.36-172,681.22-67,770.68

Finding the Fourth Proportional to 125,131.36, 172,681.22 and 67,770.68

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Solution

The fourth proportional to 125,131.36, 172,681.22 and 67,770.68 is: 93,523.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,131.36 : 172,681.22 = 67,770.68 : x
  2. Step 2: Convert to fraction form
    125,131.36/172,681.22 = 67,770.68/x
  3. Step 3: Cross multiply
    125,131.36x = 172,681.22 × 67,770.68
  4. Step 4: Simplify right side
    125,131.36x = 11,702,724,071.21
  5. Step 5: Solve for x
    x = 11,702,724,071.21/125,131.36
  6. Step 6: Final answer
    x = 93,523.51

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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.