Home / 126,791.34-174,970.50-69,430.02

Finding the Fourth Proportional to 126,791.34, 174,970.50 and 69,430.02

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Solution

The fourth proportional to 126,791.34, 174,970.50 and 69,430.02 is: 95,812.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,791.34 : 174,970.50 = 69,430.02 : x
  2. Step 2: Convert to fraction form
    126,791.34/174,970.50 = 69,430.02/x
  3. Step 3: Cross multiply
    126,791.34x = 174,970.50 × 69,430.02
  4. Step 4: Simplify right side
    126,791.34x = 12,148,205,314.41
  5. Step 5: Solve for x
    x = 12,148,205,314.41/126,791.34
  6. Step 6: Final answer
    x = 95,812.58

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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.