Home / 198,386.02-297,539.24-97,140.45

Finding the Fourth Proportional to 198,386.02, 297,539.24 and 97,140.45

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Solution

The fourth proportional to 198,386.02, 297,539.24 and 97,140.45 is: 145,691.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,386.02 : 297,539.24 = 97,140.45 : x
  2. Step 2: Convert to fraction form
    198,386.02/297,539.24 = 97,140.45/x
  3. Step 3: Cross multiply
    198,386.02x = 297,539.24 × 97,140.45
  4. Step 4: Simplify right side
    198,386.02x = 28,903,096,296.33
  5. Step 5: Solve for x
    x = 28,903,096,296.33/198,386.02
  6. Step 6: Final answer
    x = 145,691.19

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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.