Home / 140,058.95-210,056.42-40,218.35

Finding the Fourth Proportional to 140,058.95, 210,056.42 and 40,218.35

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Solution

The fourth proportional to 140,058.95, 210,056.42 and 40,218.35 is: 60,318.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,058.95 : 210,056.42 = 40,218.35 : x
  2. Step 2: Convert to fraction form
    140,058.95/210,056.42 = 40,218.35/x
  3. Step 3: Cross multiply
    140,058.95x = 210,056.42 × 40,218.35
  4. Step 4: Simplify right side
    140,058.95x = 8,448,121,669.57
  5. Step 5: Solve for x
    x = 8,448,121,669.57/140,058.95
  6. Step 6: Final answer
    x = 60,318.33

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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.