Home / 143,257.04-214,885.26-38,076

Finding the Fourth Proportional to 143,257.04, 214,885.26 and 38,076

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Solution

The fourth proportional to 143,257.04, 214,885.26 and 38,076 is: 57,113.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,257.04 : 214,885.26 = 38,076 : x
  2. Step 2: Convert to fraction form
    143,257.04/214,885.26 = 38,076/x
  3. Step 3: Cross multiply
    143,257.04x = 214,885.26 × 38,076
  4. Step 4: Simplify right side
    143,257.04x = 8,181,971,159.76
  5. Step 5: Solve for x
    x = 8,181,971,159.76/143,257.04
  6. Step 6: Final answer
    x = 57,113.92

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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.