Home / 109,187.24-150,666.18-61,457

Finding the Fourth Proportional to 109,187.24, 150,666.18 and 61,457

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Solution

The fourth proportional to 109,187.24, 150,666.18 and 61,457 is: 84,803.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,187.24 : 150,666.18 = 61,457 : x
  2. Step 2: Convert to fraction form
    109,187.24/150,666.18 = 61,457/x
  3. Step 3: Cross multiply
    109,187.24x = 150,666.18 × 61,457
  4. Step 4: Simplify right side
    109,187.24x = 9,259,491,424.26
  5. Step 5: Solve for x
    x = 9,259,491,424.26/109,187.24
  6. Step 6: Final answer
    x = 84,803.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.