Home / 144,069.47-198,841.89-85,929.94

Finding the Fourth Proportional to 144,069.47, 198,841.89 and 85,929.94

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Solution

The fourth proportional to 144,069.47, 198,841.89 and 85,929.94 is: 118,598.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,069.47 : 198,841.89 = 85,929.94 : x
  2. Step 2: Convert to fraction form
    144,069.47/198,841.89 = 85,929.94/x
  3. Step 3: Cross multiply
    144,069.47x = 198,841.89 × 85,929.94
  4. Step 4: Simplify right side
    144,069.47x = 17,086,471,677.19
  5. Step 5: Solve for x
    x = 17,086,471,677.19/144,069.47
  6. Step 6: Final answer
    x = 118,598.84

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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.