Home / 138,898.64-208,386.84-44,122.16

Finding the Fourth Proportional to 138,898.64, 208,386.84 and 44,122.16

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Solution

The fourth proportional to 138,898.64, 208,386.84 and 44,122.16 is: 66,195.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,898.64 : 208,386.84 = 44,122.16 : x
  2. Step 2: Convert to fraction form
    138,898.64/208,386.84 = 44,122.16/x
  3. Step 3: Cross multiply
    138,898.64x = 208,386.84 × 44,122.16
  4. Step 4: Simplify right side
    138,898.64x = 9,194,477,496.37
  5. Step 5: Solve for x
    x = 9,194,477,496.37/138,898.64
  6. Step 6: Final answer
    x = 66,195.59

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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.