Home / 126,337.33-174,325.69-72,612.31

Finding the Fourth Proportional to 126,337.33, 174,325.69 and 72,612.31

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Solution

The fourth proportional to 126,337.33, 174,325.69 and 72,612.31 is: 100,193.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,337.33 : 174,325.69 = 72,612.31 : x
  2. Step 2: Convert to fraction form
    126,337.33/174,325.69 = 72,612.31/x
  3. Step 3: Cross multiply
    126,337.33x = 174,325.69 × 72,612.31
  4. Step 4: Simplify right side
    126,337.33x = 12,658,191,043.24
  5. Step 5: Solve for x
    x = 12,658,191,043.24/126,337.33
  6. Step 6: Final answer
    x = 100,193.59

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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.