Home / 143,158.60-214,668.70-53,139.24

Finding the Fourth Proportional to 143,158.60, 214,668.70 and 53,139.24

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Solution

The fourth proportional to 143,158.60, 214,668.70 and 53,139.24 is: 79,683.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,158.60 : 214,668.70 = 53,139.24 : x
  2. Step 2: Convert to fraction form
    143,158.60/214,668.70 = 53,139.24/x
  3. Step 3: Cross multiply
    143,158.60x = 214,668.70 × 53,139.24
  4. Step 4: Simplify right side
    143,158.60x = 11,407,331,569.79
  5. Step 5: Solve for x
    x = 11,407,331,569.79/143,158.60
  6. Step 6: Final answer
    x = 79,683.17

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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.