Home / 126,520.05-174,597.65-69,159.60

Finding the Fourth Proportional to 126,520.05, 174,597.65 and 69,159.60

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Solution

The fourth proportional to 126,520.05, 174,597.65 and 69,159.60 is: 95,440.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,520.05 : 174,597.65 = 69,159.60 : x
  2. Step 2: Convert to fraction form
    126,520.05/174,597.65 = 69,159.60/x
  3. Step 3: Cross multiply
    126,520.05x = 174,597.65 × 69,159.60
  4. Step 4: Simplify right side
    126,520.05x = 12,075,103,289.14
  5. Step 5: Solve for x
    x = 12,075,103,289.14/126,520.05
  6. Step 6: Final answer
    x = 95,440.23

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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.