Home / 219,301.53-302,643.44-134,402.19

Finding the Fourth Proportional to 219,301.53, 302,643.44 and 134,402.19

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Solution

The fourth proportional to 219,301.53, 302,643.44 and 134,402.19 is: 185,479.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,301.53 : 302,643.44 = 134,402.19 : x
  2. Step 2: Convert to fraction form
    219,301.53/302,643.44 = 134,402.19/x
  3. Step 3: Cross multiply
    219,301.53x = 302,643.44 × 134,402.19
  4. Step 4: Simplify right side
    219,301.53x = 40,675,940,453.12
  5. Step 5: Solve for x
    x = 40,675,940,453.12/219,301.53
  6. Step 6: Final answer
    x = 185,479.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.