Home / 126,303.18-174,292.47-72,550.38

Finding the Fourth Proportional to 126,303.18, 174,292.47 and 72,550.38

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Solution

The fourth proportional to 126,303.18, 174,292.47 and 72,550.38 is: 100,116.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,303.18 : 174,292.47 = 72,550.38 : x
  2. Step 2: Convert to fraction form
    126,303.18/174,292.47 = 72,550.38/x
  3. Step 3: Cross multiply
    126,303.18x = 174,292.47 × 72,550.38
  4. Step 4: Simplify right side
    126,303.18x = 12,644,984,929.64
  5. Step 5: Solve for x
    x = 12,644,984,929.64/126,303.18
  6. Step 6: Final answer
    x = 100,116.12

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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.