Home / 125,350.81-188,026.86-42,245.53

Finding the Fourth Proportional to 125,350.81, 188,026.86 and 42,245.53

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Solution

The fourth proportional to 125,350.81, 188,026.86 and 42,245.53 is: 63,368.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,350.81 : 188,026.86 = 42,245.53 : x
  2. Step 2: Convert to fraction form
    125,350.81/188,026.86 = 42,245.53/x
  3. Step 3: Cross multiply
    125,350.81x = 188,026.86 × 42,245.53
  4. Step 4: Simplify right side
    125,350.81x = 7,943,294,143.71
  5. Step 5: Solve for x
    x = 7,943,294,143.71/125,350.81
  6. Step 6: Final answer
    x = 63,368.51

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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.