Home / 140,430.10-210,317.10-137,611.30

Finding the Fourth Proportional to 140,430.10, 210,317.10 and 137,611.30

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Solution

The fourth proportional to 140,430.10, 210,317.10 and 137,611.30 is: 206,095.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,430.10 : 210,317.10 = 137,611.30 : x
  2. Step 2: Convert to fraction form
    140,430.10/210,317.10 = 137,611.30/x
  3. Step 3: Cross multiply
    140,430.10x = 210,317.10 × 137,611.30
  4. Step 4: Simplify right side
    140,430.10x = 28,942,009,543.23
  5. Step 5: Solve for x
    x = 28,942,009,543.23/140,430.10
  6. Step 6: Final answer
    x = 206,095.48

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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.