Home / 194,026.78-291,227.87-140,047.12

Finding the Fourth Proportional to 194,026.78, 291,227.87 and 140,047.12

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Solution

The fourth proportional to 194,026.78, 291,227.87 and 140,047.12 is: 210,206.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,026.78 : 291,227.87 = 140,047.12 : x
  2. Step 2: Convert to fraction form
    194,026.78/291,227.87 = 140,047.12/x
  3. Step 3: Cross multiply
    194,026.78x = 291,227.87 × 140,047.12
  4. Step 4: Simplify right side
    194,026.78x = 40,785,624,457.23
  5. Step 5: Solve for x
    x = 40,785,624,457.23/194,026.78
  6. Step 6: Final answer
    x = 210,206.16

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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.