Home / 203,402.22-305,154.13-143,547.52

Finding the Fourth Proportional to 203,402.22, 305,154.13 and 143,547.52

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Solution

The fourth proportional to 203,402.22, 305,154.13 and 143,547.52 is: 215,357.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,402.22 : 305,154.13 = 143,547.52 : x
  2. Step 2: Convert to fraction form
    203,402.22/305,154.13 = 143,547.52/x
  3. Step 3: Cross multiply
    203,402.22x = 305,154.13 × 143,547.52
  4. Step 4: Simplify right side
    203,402.22x = 43,804,118,579.26
  5. Step 5: Solve for x
    x = 43,804,118,579.26/203,402.22
  6. Step 6: Final answer
    x = 215,357.13

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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.