Home / 238,737.83-329,347.76-143,078.45

Finding the Fourth Proportional to 238,737.83, 329,347.76 and 143,078.45

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Solution

The fourth proportional to 238,737.83, 329,347.76 and 143,078.45 is: 197,382.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,737.83 : 329,347.76 = 143,078.45 : x
  2. Step 2: Convert to fraction form
    238,737.83/329,347.76 = 143,078.45/x
  3. Step 3: Cross multiply
    238,737.83x = 329,347.76 × 143,078.45
  4. Step 4: Simplify right side
    238,737.83x = 47,122,564,649.64
  5. Step 5: Solve for x
    x = 47,122,564,649.64/238,737.83
  6. Step 6: Final answer
    x = 197,382.06

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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.