Home / 272,657.05-376,263.15-157,951.33

Finding the Fourth Proportional to 272,657.05, 376,263.15 and 157,951.33

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Solution

The fourth proportional to 272,657.05, 376,263.15 and 157,951.33 is: 217,970.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,657.05 : 376,263.15 = 157,951.33 : x
  2. Step 2: Convert to fraction form
    272,657.05/376,263.15 = 157,951.33/x
  3. Step 3: Cross multiply
    272,657.05x = 376,263.15 × 157,951.33
  4. Step 4: Simplify right side
    272,657.05x = 59,431,264,972.49
  5. Step 5: Solve for x
    x = 59,431,264,972.49/272,657.05
  6. Step 6: Final answer
    x = 217,970.76

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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.