Home / 191,499.35-287,268.05-73,270.13

Finding the Fourth Proportional to 191,499.35, 287,268.05 and 73,270.13

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Solution

The fourth proportional to 191,499.35, 287,268.05 and 73,270.13 is: 109,912.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,499.35 : 287,268.05 = 73,270.13 : x
  2. Step 2: Convert to fraction form
    191,499.35/287,268.05 = 73,270.13/x
  3. Step 3: Cross multiply
    191,499.35x = 287,268.05 × 73,270.13
  4. Step 4: Simplify right side
    191,499.35x = 21,048,166,115.18
  5. Step 5: Solve for x
    x = 21,048,166,115.18/191,499.35
  6. Step 6: Final answer
    x = 109,912.47

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1.5x scale

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.