Home / 198,035.61-297,048.51-57,795.45

Finding the Fourth Proportional to 198,035.61, 297,048.51 and 57,795.45

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Solution

The fourth proportional to 198,035.61, 297,048.51 and 57,795.45 is: 86,691.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,035.61 : 297,048.51 = 57,795.45 : x
  2. Step 2: Convert to fraction form
    198,035.61/297,048.51 = 57,795.45/x
  3. Step 3: Cross multiply
    198,035.61x = 297,048.51 × 57,795.45
  4. Step 4: Simplify right side
    198,035.61x = 17,168,052,307.28
  5. Step 5: Solve for x
    x = 17,168,052,307.28/198,035.61
  6. Step 6: Final answer
    x = 86,691.74

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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.