Home / 139,060.25-208,521.36-44,278.09

Finding the Fourth Proportional to 139,060.25, 208,521.36 and 44,278.09

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Solution

The fourth proportional to 139,060.25, 208,521.36 and 44,278.09 is: 66,395.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,060.25 : 208,521.36 = 44,278.09 : x
  2. Step 2: Convert to fraction form
    139,060.25/208,521.36 = 44,278.09/x
  3. Step 3: Cross multiply
    139,060.25x = 208,521.36 × 44,278.09
  4. Step 4: Simplify right side
    139,060.25x = 9,232,927,545.00
  5. Step 5: Solve for x
    x = 9,232,927,545.00/139,060.25
  6. Step 6: Final answer
    x = 66,395.16

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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.