Home / 191,426.13-287,203.13-84,795.60

Finding the Fourth Proportional to 191,426.13, 287,203.13 and 84,795.60

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Solution

The fourth proportional to 191,426.13, 287,203.13 and 84,795.60 is: 127,221.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,426.13 : 287,203.13 = 84,795.60 : x
  2. Step 2: Convert to fraction form
    191,426.13/287,203.13 = 84,795.60/x
  3. Step 3: Cross multiply
    191,426.13x = 287,203.13 × 84,795.60
  4. Step 4: Simplify right side
    191,426.13x = 24,353,561,942.22
  5. Step 5: Solve for x
    x = 24,353,561,942.22/191,426.13
  6. Step 6: Final answer
    x = 127,221.72

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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.