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Finding the Fourth Proportional to 145,648.77, 218,250.60 and 98,088

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Solution

The fourth proportional to 145,648.77, 218,250.60 and 98,088 is: 146,982.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,648.77 : 218,250.60 = 98,088 : x
  2. Step 2: Convert to fraction form
    145,648.77/218,250.60 = 98,088/x
  3. Step 3: Cross multiply
    145,648.77x = 218,250.60 × 98,088
  4. Step 4: Simplify right side
    145,648.77x = 21,407,764,852.80
  5. Step 5: Solve for x
    x = 21,407,764,852.80/145,648.77
  6. Step 6: Final answer
    x = 146,982.12

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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.