Home / 172,126.28-258,182.40-59,831.96

Finding the Fourth Proportional to 172,126.28, 258,182.40 and 59,831.96

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Solution

The fourth proportional to 172,126.28, 258,182.40 and 59,831.96 is: 89,745.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,126.28 : 258,182.40 = 59,831.96 : x
  2. Step 2: Convert to fraction form
    172,126.28/258,182.40 = 59,831.96/x
  3. Step 3: Cross multiply
    172,126.28x = 258,182.40 × 59,831.96
  4. Step 4: Simplify right side
    172,126.28x = 15,447,559,029.50
  5. Step 5: Solve for x
    x = 15,447,559,029.50/172,126.28
  6. Step 6: Final answer
    x = 89,745.50

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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.