Home / 119,242.10-178,862.42-30,495.45

Finding the Fourth Proportional to 119,242.10, 178,862.42 and 30,495.45

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Solution

The fourth proportional to 119,242.10, 178,862.42 and 30,495.45 is: 45,742.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,242.10 : 178,862.42 = 30,495.45 : x
  2. Step 2: Convert to fraction form
    119,242.10/178,862.42 = 30,495.45/x
  3. Step 3: Cross multiply
    119,242.10x = 178,862.42 × 30,495.45
  4. Step 4: Simplify right side
    119,242.10x = 5,454,489,833.51
  5. Step 5: Solve for x
    x = 5,454,489,833.51/119,242.10
  6. Step 6: Final answer
    x = 45,742.99

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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.