Home / 147,342.47-203,356.98-86,927.87

Finding the Fourth Proportional to 147,342.47, 203,356.98 and 86,927.87

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Solution

The fourth proportional to 147,342.47, 203,356.98 and 86,927.87 is: 119,974.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,342.47 : 203,356.98 = 86,927.87 : x
  2. Step 2: Convert to fraction form
    147,342.47/203,356.98 = 86,927.87/x
  3. Step 3: Cross multiply
    147,342.47x = 203,356.98 × 86,927.87
  4. Step 4: Simplify right side
    147,342.47x = 17,677,389,629.43
  5. Step 5: Solve for x
    x = 17,677,389,629.43/147,342.47
  6. Step 6: Final answer
    x = 119,974.85

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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.