Home / 102,827.32-141,908.93-57,509.52

Finding the Fourth Proportional to 102,827.32, 141,908.93 and 57,509.52

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Solution

The fourth proportional to 102,827.32, 141,908.93 and 57,509.52 is: 79,367.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,827.32 : 141,908.93 = 57,509.52 : x
  2. Step 2: Convert to fraction form
    102,827.32/141,908.93 = 57,509.52/x
  3. Step 3: Cross multiply
    102,827.32x = 141,908.93 × 57,509.52
  4. Step 4: Simplify right side
    102,827.32x = 8,161,113,843.97
  5. Step 5: Solve for x
    x = 8,161,113,843.97/102,827.32
  6. Step 6: Final answer
    x = 79,367.18

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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.