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Finding the Fourth Proportional to 98,852.80, 148,279.20 and 94,260.10

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Solution

The fourth proportional to 98,852.80, 148,279.20 and 94,260.10 is: 141,390.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,852.80 : 148,279.20 = 94,260.10 : x
  2. Step 2: Convert to fraction form
    98,852.80/148,279.20 = 94,260.10/x
  3. Step 3: Cross multiply
    98,852.80x = 148,279.20 × 94,260.10
  4. Step 4: Simplify right side
    98,852.80x = 13,976,812,219.92
  5. Step 5: Solve for x
    x = 13,976,812,219.92/98,852.80
  6. Step 6: Final answer
    x = 141,390.15

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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.