Home / 198,116.13-297,020.70-64,913.25

Finding the Fourth Proportional to 198,116.13, 297,020.70 and 64,913.25

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Solution

The fourth proportional to 198,116.13, 297,020.70 and 64,913.25 is: 97,319.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,116.13 : 297,020.70 = 64,913.25 : x
  2. Step 2: Convert to fraction form
    198,116.13/297,020.70 = 64,913.25/x
  3. Step 3: Cross multiply
    198,116.13x = 297,020.70 × 64,913.25
  4. Step 4: Simplify right side
    198,116.13x = 19,280,578,954.28
  5. Step 5: Solve for x
    x = 19,280,578,954.28/198,116.13
  6. Step 6: Final answer
    x = 97,319.58

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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.