Home / 140,282.73-210,430.34-51,487.79

Finding the Fourth Proportional to 140,282.73, 210,430.34 and 51,487.79

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Solution

The fourth proportional to 140,282.73, 210,430.34 and 51,487.79 is: 77,233.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,282.73 : 210,430.34 = 51,487.79 : x
  2. Step 2: Convert to fraction form
    140,282.73/210,430.34 = 51,487.79/x
  3. Step 3: Cross multiply
    140,282.73x = 210,430.34 × 51,487.79
  4. Step 4: Simplify right side
    140,282.73x = 10,834,592,898.11
  5. Step 5: Solve for x
    x = 10,834,592,898.11/140,282.73
  6. Step 6: Final answer
    x = 77,233.98

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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.