Home / 98,999.21-148,572.63-39,835.40

Finding the Fourth Proportional to 98,999.21, 148,572.63 and 39,835.40

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Solution

The fourth proportional to 98,999.21, 148,572.63 and 39,835.40 is: 59,782.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,999.21 : 148,572.63 = 39,835.40 : x
  2. Step 2: Convert to fraction form
    98,999.21/148,572.63 = 39,835.40/x
  3. Step 3: Cross multiply
    98,999.21x = 148,572.63 × 39,835.40
  4. Step 4: Simplify right side
    98,999.21x = 5,918,449,402.24
  5. Step 5: Solve for x
    x = 5,918,449,402.24/98,999.21
  6. Step 6: Final answer
    x = 59,782.79

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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.