Home / 126,200.18-174,159.53-68,840.47

Finding the Fourth Proportional to 126,200.18, 174,159.53 and 68,840.47

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Solution

The fourth proportional to 126,200.18, 174,159.53 and 68,840.47 is: 95,001.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,200.18 : 174,159.53 = 68,840.47 : x
  2. Step 2: Convert to fraction form
    126,200.18/174,159.53 = 68,840.47/x
  3. Step 3: Cross multiply
    126,200.18x = 174,159.53 × 68,840.47
  4. Step 4: Simplify right side
    126,200.18x = 11,989,223,636.88
  5. Step 5: Solve for x
    x = 11,989,223,636.88/126,200.18
  6. Step 6: Final answer
    x = 95,001.64

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1.5x scale

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.