Home / 118,989.99-164,194.02-71,242.11

Finding the Fourth Proportional to 118,989.99, 164,194.02 and 71,242.11

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Solution

The fourth proportional to 118,989.99, 164,194.02 and 71,242.11 is: 98,306.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,989.99 : 164,194.02 = 71,242.11 : x
  2. Step 2: Convert to fraction form
    118,989.99/164,194.02 = 71,242.11/x
  3. Step 3: Cross multiply
    118,989.99x = 164,194.02 × 71,242.11
  4. Step 4: Simplify right side
    118,989.99x = 11,697,528,434.18
  5. Step 5: Solve for x
    x = 11,697,528,434.18/118,989.99
  6. Step 6: Final answer
    x = 98,306.83

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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.