Home / 139,394.02-208,974.30-97,150.18

Finding the Fourth Proportional to 139,394.02, 208,974.30 and 97,150.18

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Solution

The fourth proportional to 139,394.02, 208,974.30 and 97,150.18 is: 145,643.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,394.02 : 208,974.30 = 97,150.18 : x
  2. Step 2: Convert to fraction form
    139,394.02/208,974.30 = 97,150.18/x
  3. Step 3: Cross multiply
    139,394.02x = 208,974.30 × 97,150.18
  4. Step 4: Simplify right side
    139,394.02x = 20,301,890,860.37
  5. Step 5: Solve for x
    x = 20,301,890,860.37/139,394.02
  6. Step 6: Final answer
    x = 145,643.92

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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.