Home / 272,778.77-376,434.81-158,123.91

Finding the Fourth Proportional to 272,778.77, 376,434.81 and 158,123.91

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Solution

The fourth proportional to 272,778.77, 376,434.81 and 158,123.91 is: 218,211.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,778.77 : 376,434.81 = 158,123.91 : x
  2. Step 2: Convert to fraction form
    272,778.77/376,434.81 = 158,123.91/x
  3. Step 3: Cross multiply
    272,778.77x = 376,434.81 × 158,123.91
  4. Step 4: Simplify right side
    272,778.77x = 59,523,344,017.31
  5. Step 5: Solve for x
    x = 59,523,344,017.31/272,778.77
  6. Step 6: Final answer
    x = 218,211.06

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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.