Home / 98,905.40-148,318.14-61,409.96

Finding the Fourth Proportional to 98,905.40, 148,318.14 and 61,409.96

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Solution

The fourth proportional to 98,905.40, 148,318.14 and 61,409.96 is: 92,090.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,905.40 : 148,318.14 = 61,409.96 : x
  2. Step 2: Convert to fraction form
    98,905.40/148,318.14 = 61,409.96/x
  3. Step 3: Cross multiply
    98,905.40x = 148,318.14 × 61,409.96
  4. Step 4: Simplify right side
    98,905.40x = 9,108,211,044.67
  5. Step 5: Solve for x
    x = 9,108,211,044.67/98,905.40
  6. Step 6: Final answer
    x = 92,090.13

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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.