Home / 124,216.47-171,345.92-87,877.26

Finding the Fourth Proportional to 124,216.47, 171,345.92 and 87,877.26

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Solution

The fourth proportional to 124,216.47, 171,345.92 and 87,877.26 is: 121,219.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,216.47 : 171,345.92 = 87,877.26 : x
  2. Step 2: Convert to fraction form
    124,216.47/171,345.92 = 87,877.26/x
  3. Step 3: Cross multiply
    124,216.47x = 171,345.92 × 87,877.26
  4. Step 4: Simplify right side
    124,216.47x = 15,057,409,522.39
  5. Step 5: Solve for x
    x = 15,057,409,522.39/124,216.47
  6. Step 6: Final answer
    x = 121,219.11

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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.