Home / 238,737.08-329,346.72-143,077.70

Finding the Fourth Proportional to 238,737.08, 329,346.72 and 143,077.70

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Solution

The fourth proportional to 238,737.08, 329,346.72 and 143,077.70 is: 197,381.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,737.08 : 329,346.72 = 143,077.70 : x
  2. Step 2: Convert to fraction form
    238,737.08/329,346.72 = 143,077.70/x
  3. Step 3: Cross multiply
    238,737.08x = 329,346.72 × 143,077.70
  4. Step 4: Simplify right side
    238,737.08x = 47,122,171,200.14
  5. Step 5: Solve for x
    x = 47,122,171,200.14/238,737.08
  6. Step 6: Final answer
    x = 197,381.03

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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.