Home / 139,753.12-209,607.36-46,246.72

Finding the Fourth Proportional to 139,753.12, 209,607.36 and 46,246.72

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Solution

The fourth proportional to 139,753.12, 209,607.36 and 46,246.72 is: 69,362.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,753.12 : 209,607.36 = 46,246.72 : x
  2. Step 2: Convert to fraction form
    139,753.12/209,607.36 = 46,246.72/x
  3. Step 3: Cross multiply
    139,753.12x = 209,607.36 × 46,246.72
  4. Step 4: Simplify right side
    139,753.12x = 9,693,652,887.86
  5. Step 5: Solve for x
    x = 9,693,652,887.86/139,753.12
  6. Step 6: Final answer
    x = 69,362.69

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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.