Home / 119,408.14-178,718.52-66,018.04

Finding the Fourth Proportional to 119,408.14, 178,718.52 and 66,018.04

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Solution

The fourth proportional to 119,408.14, 178,718.52 and 66,018.04 is: 98,809.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,408.14 : 178,718.52 = 66,018.04 : x
  2. Step 2: Convert to fraction form
    119,408.14/178,718.52 = 66,018.04/x
  3. Step 3: Cross multiply
    119,408.14x = 178,718.52 × 66,018.04
  4. Step 4: Simplify right side
    119,408.14x = 11,798,646,402.10
  5. Step 5: Solve for x
    x = 11,798,646,402.10/119,408.14
  6. Step 6: Final answer
    x = 98,809.40

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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.