Home / 149,060.72-223,677.19-78,940.03

Finding the Fourth Proportional to 149,060.72, 223,677.19 and 78,940.03

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Solution

The fourth proportional to 149,060.72, 223,677.19 and 78,940.03 is: 118,455.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,060.72 : 223,677.19 = 78,940.03 : x
  2. Step 2: Convert to fraction form
    149,060.72/223,677.19 = 78,940.03/x
  3. Step 3: Cross multiply
    149,060.72x = 223,677.19 × 78,940.03
  4. Step 4: Simplify right side
    149,060.72x = 17,657,084,088.92
  5. Step 5: Solve for x
    x = 17,657,084,088.92/149,060.72
  6. Step 6: Final answer
    x = 118,455.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.