Home / 98,905.32-148,290.41-47,586.89

Finding the Fourth Proportional to 98,905.32, 148,290.41 and 47,586.89

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Solution

The fourth proportional to 98,905.32, 148,290.41 and 47,586.89 is: 71,347.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,905.32 : 148,290.41 = 47,586.89 : x
  2. Step 2: Convert to fraction form
    98,905.32/148,290.41 = 47,586.89/x
  3. Step 3: Cross multiply
    98,905.32x = 148,290.41 × 47,586.89
  4. Step 4: Simplify right side
    98,905.32x = 7,056,679,918.42
  5. Step 5: Solve for x
    x = 7,056,679,918.42/98,905.32
  6. Step 6: Final answer
    x = 71,347.83

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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.