Home / 125,377.56-188,066.98-42,272.28

Finding the Fourth Proportional to 125,377.56, 188,066.98 and 42,272.28

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Solution

The fourth proportional to 125,377.56, 188,066.98 and 42,272.28 is: 63,408.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,377.56 : 188,066.98 = 42,272.28 : x
  2. Step 2: Convert to fraction form
    125,377.56/188,066.98 = 42,272.28/x
  3. Step 3: Cross multiply
    125,377.56x = 188,066.98 × 42,272.28
  4. Step 4: Simplify right side
    125,377.56x = 7,950,020,037.31
  5. Step 5: Solve for x
    x = 7,950,020,037.31/125,377.56
  6. Step 6: Final answer
    x = 63,408.64

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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.