Home / 126,021.02-173,908.91-69,432.39

Finding the Fourth Proportional to 126,021.02, 173,908.91 and 69,432.39

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Solution

The fourth proportional to 126,021.02, 173,908.91 and 69,432.39 is: 95,816.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,021.02 : 173,908.91 = 69,432.39 : x
  2. Step 2: Convert to fraction form
    126,021.02/173,908.91 = 69,432.39/x
  3. Step 3: Cross multiply
    126,021.02x = 173,908.91 × 69,432.39
  4. Step 4: Simplify right side
    126,021.02x = 12,074,911,437.18
  5. Step 5: Solve for x
    x = 12,074,911,437.18/126,021.02
  6. Step 6: Final answer
    x = 95,816.65

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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.