Home / 137,561.93-206,372.60-42,790.31

Finding the Fourth Proportional to 137,561.93, 206,372.60 and 42,790.31

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Solution

The fourth proportional to 137,561.93, 206,372.60 and 42,790.31 is: 64,194.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,561.93 : 206,372.60 = 42,790.31 : x
  2. Step 2: Convert to fraction form
    137,561.93/206,372.60 = 42,790.31/x
  3. Step 3: Cross multiply
    137,561.93x = 206,372.60 × 42,790.31
  4. Step 4: Simplify right side
    137,561.93x = 8,830,746,283.69
  5. Step 5: Solve for x
    x = 8,830,746,283.69/137,561.93
  6. Step 6: Final answer
    x = 64,194.70

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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.