Home / 137,412.18-206,123.67-42,652.26

Finding the Fourth Proportional to 137,412.18, 206,123.67 and 42,652.26

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Solution

The fourth proportional to 137,412.18, 206,123.67 and 42,652.26 is: 63,980.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,412.18 : 206,123.67 = 42,652.26 : x
  2. Step 2: Convert to fraction form
    137,412.18/206,123.67 = 42,652.26/x
  3. Step 3: Cross multiply
    137,412.18x = 206,123.67 × 42,652.26
  4. Step 4: Simplify right side
    137,412.18x = 8,791,640,364.99
  5. Step 5: Solve for x
    x = 8,791,640,364.99/137,412.18
  6. Step 6: Final answer
    x = 63,980.07

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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.