Home / 131,281.02-181,166.22-74,692.26

Finding the Fourth Proportional to 131,281.02, 181,166.22 and 74,692.26

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Solution

The fourth proportional to 131,281.02, 181,166.22 and 74,692.26 is: 103,074.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,281.02 : 181,166.22 = 74,692.26 : x
  2. Step 2: Convert to fraction form
    131,281.02/181,166.22 = 74,692.26/x
  3. Step 3: Cross multiply
    131,281.02x = 181,166.22 × 74,692.26
  4. Step 4: Simplify right side
    131,281.02x = 13,531,714,407.46
  5. Step 5: Solve for x
    x = 13,531,714,407.46/131,281.02
  6. Step 6: Final answer
    x = 103,074.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.