Home / 198,071.38-297,133.53-57,827.98

Finding the Fourth Proportional to 198,071.38, 297,133.53 and 57,827.98

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Solution

The fourth proportional to 198,071.38, 297,133.53 and 57,827.98 is: 86,749.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,071.38 : 297,133.53 = 57,827.98 : x
  2. Step 2: Convert to fraction form
    198,071.38/297,133.53 = 57,827.98/x
  3. Step 3: Cross multiply
    198,071.38x = 297,133.53 × 57,827.98
  4. Step 4: Simplify right side
    198,071.38x = 17,182,631,830.17
  5. Step 5: Solve for x
    x = 17,182,631,830.17/198,071.38
  6. Step 6: Final answer
    x = 86,749.70

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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.