Home / 103,354.71-142,637.75-58,035.72

Finding the Fourth Proportional to 103,354.71, 142,637.75 and 58,035.72

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Solution

The fourth proportional to 103,354.71, 142,637.75 and 58,035.72 is: 80,093.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,354.71 : 142,637.75 = 58,035.72 : x
  2. Step 2: Convert to fraction form
    103,354.71/142,637.75 = 58,035.72/x
  3. Step 3: Cross multiply
    103,354.71x = 142,637.75 × 58,035.72
  4. Step 4: Simplify right side
    103,354.71x = 8,278,084,230.25
  5. Step 5: Solve for x
    x = 8,278,084,230.25/103,354.71
  6. Step 6: Final answer
    x = 80,093.92

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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.