Home / 149,119.48-205,717.08-88,655.77

Finding the Fourth Proportional to 149,119.48, 205,717.08 and 88,655.77

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Solution

The fourth proportional to 149,119.48, 205,717.08 and 88,655.77 is: 122,304.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,119.48 : 205,717.08 = 88,655.77 : x
  2. Step 2: Convert to fraction form
    149,119.48/205,717.08 = 88,655.77/x
  3. Step 3: Cross multiply
    149,119.48x = 205,717.08 × 88,655.77
  4. Step 4: Simplify right side
    149,119.48x = 18,238,006,129.55
  5. Step 5: Solve for x
    x = 18,238,006,129.55/149,119.48
  6. Step 6: Final answer
    x = 122,304.65

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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.