Home / 125,166.51-187,767.67-38,619.72

Finding the Fourth Proportional to 125,166.51, 187,767.67 and 38,619.72

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Solution

The fourth proportional to 125,166.51, 187,767.67 and 38,619.72 is: 57,935.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,166.51 : 187,767.67 = 38,619.72 : x
  2. Step 2: Convert to fraction form
    125,166.51/187,767.67 = 38,619.72/x
  3. Step 3: Cross multiply
    125,166.51x = 187,767.67 × 38,619.72
  4. Step 4: Simplify right side
    125,166.51x = 7,251,534,840.45
  5. Step 5: Solve for x
    x = 7,251,534,840.45/125,166.51
  6. Step 6: Final answer
    x = 57,935.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.