Home / 143,261.52-214,818.12-64,307.76

Finding the Fourth Proportional to 143,261.52, 214,818.12 and 64,307.76

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Solution

The fourth proportional to 143,261.52, 214,818.12 and 64,307.76 is: 96,428.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,261.52 : 214,818.12 = 64,307.76 : x
  2. Step 2: Convert to fraction form
    143,261.52/214,818.12 = 64,307.76/x
  3. Step 3: Cross multiply
    143,261.52x = 214,818.12 × 64,307.76
  4. Step 4: Simplify right side
    143,261.52x = 13,814,472,104.61
  5. Step 5: Solve for x
    x = 13,814,472,104.61/143,261.52
  6. Step 6: Final answer
    x = 96,428.35

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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.