Home / 113,868.86-170,785.71-38,971.79

Finding the Fourth Proportional to 113,868.86, 170,785.71 and 38,971.79

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Solution

The fourth proportional to 113,868.86, 170,785.71 and 38,971.79 is: 58,451.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,868.86 : 170,785.71 = 38,971.79 : x
  2. Step 2: Convert to fraction form
    113,868.86/170,785.71 = 38,971.79/x
  3. Step 3: Cross multiply
    113,868.86x = 170,785.71 × 38,971.79
  4. Step 4: Simplify right side
    113,868.86x = 6,655,823,971.19
  5. Step 5: Solve for x
    x = 6,655,823,971.19/113,868.86
  6. Step 6: Final answer
    x = 58,451.66

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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.