Home / 143,386.13-214,953.45-54,580.57

Finding the Fourth Proportional to 143,386.13, 214,953.45 and 54,580.57

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Solution

The fourth proportional to 143,386.13, 214,953.45 and 54,580.57 is: 81,822.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,386.13 : 214,953.45 = 54,580.57 : x
  2. Step 2: Convert to fraction form
    143,386.13/214,953.45 = 54,580.57/x
  3. Step 3: Cross multiply
    143,386.13x = 214,953.45 × 54,580.57
  4. Step 4: Simplify right side
    143,386.13x = 11,732,281,082.41
  5. Step 5: Solve for x
    x = 11,732,281,082.41/143,386.13
  6. Step 6: Final answer
    x = 81,822.98

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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.