Home / 126,301.63-174,291.90-75,288.06

Finding the Fourth Proportional to 126,301.63, 174,291.90 and 75,288.06

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Solution

The fourth proportional to 126,301.63, 174,291.90 and 75,288.06 is: 103,894.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,301.63 : 174,291.90 = 75,288.06 : x
  2. Step 2: Convert to fraction form
    126,301.63/174,291.90 = 75,288.06/x
  3. Step 3: Cross multiply
    126,301.63x = 174,291.90 × 75,288.06
  4. Step 4: Simplify right side
    126,301.63x = 13,122,099,024.71
  5. Step 5: Solve for x
    x = 13,122,099,024.71/126,301.63
  6. Step 6: Final answer
    x = 103,894.93

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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.