Home / 147,926.76-204,089.10-84,219.48

Finding the Fourth Proportional to 147,926.76, 204,089.10 and 84,219.48

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Solution

The fourth proportional to 147,926.76, 204,089.10 and 84,219.48 is: 116,194.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,926.76 : 204,089.10 = 84,219.48 : x
  2. Step 2: Convert to fraction form
    147,926.76/204,089.10 = 84,219.48/x
  3. Step 3: Cross multiply
    147,926.76x = 204,089.10 × 84,219.48
  4. Step 4: Simplify right side
    147,926.76x = 17,188,277,875.67
  5. Step 5: Solve for x
    x = 17,188,277,875.67/147,926.76
  6. Step 6: Final answer
    x = 116,194.51

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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.