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Finding the Fourth Proportional to 98,018.89, 147,010.71 and 25,972.30

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Solution

The fourth proportional to 98,018.89, 147,010.71 and 25,972.30 is: 38,953.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,018.89 : 147,010.71 = 25,972.30 : x
  2. Step 2: Convert to fraction form
    98,018.89/147,010.71 = 25,972.30/x
  3. Step 3: Cross multiply
    98,018.89x = 147,010.71 × 25,972.30
  4. Step 4: Simplify right side
    98,018.89x = 3,818,206,263.33
  5. Step 5: Solve for x
    x = 3,818,206,263.33/98,018.89
  6. Step 6: Final answer
    x = 38,953.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.