Home / 139,367.40-208,987.29-44,579.22

Finding the Fourth Proportional to 139,367.40, 208,987.29 and 44,579.22

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Solution

The fourth proportional to 139,367.40, 208,987.29 and 44,579.22 is: 66,848.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,367.40 : 208,987.29 = 44,579.22 : x
  2. Step 2: Convert to fraction form
    139,367.40/208,987.29 = 44,579.22/x
  3. Step 3: Cross multiply
    139,367.40x = 208,987.29 × 44,579.22
  4. Step 4: Simplify right side
    139,367.40x = 9,316,490,378.11
  5. Step 5: Solve for x
    x = 9,316,490,378.11/139,367.40
  6. Step 6: Final answer
    x = 66,848.42

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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.