Home / 126,478.02-174,532.82-69,885.75

Finding the Fourth Proportional to 126,478.02, 174,532.82 and 69,885.75

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Solution

The fourth proportional to 126,478.02, 174,532.82 and 69,885.75 is: 96,438.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,478.02 : 174,532.82 = 69,885.75 : x
  2. Step 2: Convert to fraction form
    126,478.02/174,532.82 = 69,885.75/x
  3. Step 3: Cross multiply
    126,478.02x = 174,532.82 × 69,885.75
  4. Step 4: Simplify right side
    126,478.02x = 12,197,356,675.89
  5. Step 5: Solve for x
    x = 12,197,356,675.89/126,478.02
  6. Step 6: Final answer
    x = 96,438.55

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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.