Home / 115,156.06-172,602.78-52,695.34

Finding the Fourth Proportional to 115,156.06, 172,602.78 and 52,695.34

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Solution

The fourth proportional to 115,156.06, 172,602.78 and 52,695.34 is: 78,982.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,156.06 : 172,602.78 = 52,695.34 : x
  2. Step 2: Convert to fraction form
    115,156.06/172,602.78 = 52,695.34/x
  3. Step 3: Cross multiply
    115,156.06x = 172,602.78 × 52,695.34
  4. Step 4: Simplify right side
    115,156.06x = 9,095,362,177.05
  5. Step 5: Solve for x
    x = 9,095,362,177.05/115,156.06
  6. Step 6: Final answer
    x = 78,982.92

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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.