Home / 113,842.84-157,111.74-62,865.28

Finding the Fourth Proportional to 113,842.84, 157,111.74 and 62,865.28

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Solution

The fourth proportional to 113,842.84, 157,111.74 and 62,865.28 is: 86,758.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,842.84 : 157,111.74 = 62,865.28 : x
  2. Step 2: Convert to fraction form
    113,842.84/157,111.74 = 62,865.28/x
  3. Step 3: Cross multiply
    113,842.84x = 157,111.74 × 62,865.28
  4. Step 4: Simplify right side
    113,842.84x = 9,876,873,526.39
  5. Step 5: Solve for x
    x = 9,876,873,526.39/113,842.84
  6. Step 6: Final answer
    x = 86,758.85

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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.