Home / 126,094.56-174,017.88-72,379.68

Finding the Fourth Proportional to 126,094.56, 174,017.88 and 72,379.68

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Solution

The fourth proportional to 126,094.56, 174,017.88 and 72,379.68 is: 99,888.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,094.56 : 174,017.88 = 72,379.68 : x
  2. Step 2: Convert to fraction form
    126,094.56/174,017.88 = 72,379.68/x
  3. Step 3: Cross multiply
    126,094.56x = 174,017.88 × 72,379.68
  4. Step 4: Simplify right side
    126,094.56x = 12,595,358,468.68
  5. Step 5: Solve for x
    x = 12,595,358,468.68/126,094.56
  6. Step 6: Final answer
    x = 99,888.20

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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.