Home / 140,366.13-210,486.96-87,055.98

Finding the Fourth Proportional to 140,366.13, 210,486.96 and 87,055.98

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Solution

The fourth proportional to 140,366.13, 210,486.96 and 87,055.98 is: 130,545.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,366.13 : 210,486.96 = 87,055.98 : x
  2. Step 2: Convert to fraction form
    140,366.13/210,486.96 = 87,055.98/x
  3. Step 3: Cross multiply
    140,366.13x = 210,486.96 × 87,055.98
  4. Step 4: Simplify right side
    140,366.13x = 18,324,148,580.02
  5. Step 5: Solve for x
    x = 18,324,148,580.02/140,366.13
  6. Step 6: Final answer
    x = 130,545.37

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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.