Home / 119,210.16-178,815.36-30,463.74

Finding the Fourth Proportional to 119,210.16, 178,815.36 and 30,463.74

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Solution

The fourth proportional to 119,210.16, 178,815.36 and 30,463.74 is: 45,695.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,210.16 : 178,815.36 = 30,463.74 : x
  2. Step 2: Convert to fraction form
    119,210.16/178,815.36 = 30,463.74/x
  3. Step 3: Cross multiply
    119,210.16x = 178,815.36 × 30,463.74
  4. Step 4: Simplify right side
    119,210.16x = 5,447,384,635.05
  5. Step 5: Solve for x
    x = 5,447,384,635.05/119,210.16
  6. Step 6: Final answer
    x = 45,695.64

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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.