Home / 191,263.40-286,707.96-71,232.28

Finding the Fourth Proportional to 191,263.40, 286,707.96 and 71,232.28

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Solution

The fourth proportional to 191,263.40, 286,707.96 and 71,232.28 is: 106,778.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,263.40 : 286,707.96 = 71,232.28 : x
  2. Step 2: Convert to fraction form
    191,263.40/286,707.96 = 71,232.28/x
  3. Step 3: Cross multiply
    191,263.40x = 286,707.96 × 71,232.28
  4. Step 4: Simplify right side
    191,263.40x = 20,422,861,684.95
  5. Step 5: Solve for x
    x = 20,422,861,684.95/191,263.40
  6. Step 6: Final answer
    x = 106,778.72

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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.