Home / 143,322.60-214,983.90-117,953.40

Finding the Fourth Proportional to 143,322.60, 214,983.90 and 117,953.40

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Solution

The fourth proportional to 143,322.60, 214,983.90 and 117,953.40 is: 176,930.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,322.60 : 214,983.90 = 117,953.40 : x
  2. Step 2: Convert to fraction form
    143,322.60/214,983.90 = 117,953.40/x
  3. Step 3: Cross multiply
    143,322.60x = 214,983.90 × 117,953.40
  4. Step 4: Simplify right side
    143,322.60x = 25,358,081,950.26
  5. Step 5: Solve for x
    x = 25,358,081,950.26/143,322.60
  6. Step 6: Final answer
    x = 176,930.10

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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.