Home / 149,044.48-205,766.40-98,811.52

Finding the Fourth Proportional to 149,044.48, 205,766.40 and 98,811.52

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Solution

The fourth proportional to 149,044.48, 205,766.40 and 98,811.52 is: 136,416.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,044.48 : 205,766.40 = 98,811.52 : x
  2. Step 2: Convert to fraction form
    149,044.48/205,766.40 = 98,811.52/x
  3. Step 3: Cross multiply
    149,044.48x = 205,766.40 × 98,811.52
  4. Step 4: Simplify right side
    149,044.48x = 20,332,090,748.93
  5. Step 5: Solve for x
    x = 20,332,090,748.93/149,044.48
  6. Step 6: Final answer
    x = 136,416.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.