Home / 228,089.28-314,750.54-126,108.78

Finding the Fourth Proportional to 228,089.28, 314,750.54 and 126,108.78

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Solution

The fourth proportional to 228,089.28, 314,750.54 and 126,108.78 is: 174,023.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,089.28 : 314,750.54 = 126,108.78 : x
  2. Step 2: Convert to fraction form
    228,089.28/314,750.54 = 126,108.78/x
  3. Step 3: Cross multiply
    228,089.28x = 314,750.54 × 126,108.78
  4. Step 4: Simplify right side
    228,089.28x = 39,692,806,603.74
  5. Step 5: Solve for x
    x = 39,692,806,603.74/228,089.28
  6. Step 6: Final answer
    x = 174,023.11

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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.