Home / 286,141.15-429,207.35-96,734.56

Finding the Fourth Proportional to 286,141.15, 429,207.35 and 96,734.56

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Solution

The fourth proportional to 286,141.15, 429,207.35 and 96,734.56 is: 145,100.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,141.15 : 429,207.35 = 96,734.56 : x
  2. Step 2: Convert to fraction form
    286,141.15/429,207.35 = 96,734.56/x
  3. Step 3: Cross multiply
    286,141.15x = 429,207.35 × 96,734.56
  4. Step 4: Simplify right side
    286,141.15x = 41,519,184,151.02
  5. Step 5: Solve for x
    x = 41,519,184,151.02/286,141.15
  6. Step 6: Final answer
    x = 145,100.36

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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.