Home / 125,153.32-187,613.34-41,989

Finding the Fourth Proportional to 125,153.32, 187,613.34 and 41,989

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Solution

The fourth proportional to 125,153.32, 187,613.34 and 41,989 is: 62,944.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,153.32 : 187,613.34 = 41,989 : x
  2. Step 2: Convert to fraction form
    125,153.32/187,613.34 = 41,989/x
  3. Step 3: Cross multiply
    125,153.32x = 187,613.34 × 41,989
  4. Step 4: Simplify right side
    125,153.32x = 7,877,696,533.26
  5. Step 5: Solve for x
    x = 7,877,696,533.26/125,153.32
  6. Step 6: Final answer
    x = 62,944.37

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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.