Home / 115,270.73-159,070.43-64,285.01

Finding the Fourth Proportional to 115,270.73, 159,070.43 and 64,285.01

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Solution

The fourth proportional to 115,270.73, 159,070.43 and 64,285.01 is: 88,711.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,270.73 : 159,070.43 = 64,285.01 : x
  2. Step 2: Convert to fraction form
    115,270.73/159,070.43 = 64,285.01/x
  3. Step 3: Cross multiply
    115,270.73x = 159,070.43 × 64,285.01
  4. Step 4: Simplify right side
    115,270.73x = 10,225,843,548.61
  5. Step 5: Solve for x
    x = 10,225,843,548.61/115,270.73
  6. Step 6: Final answer
    x = 88,711.54

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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.