Home / 262,651.02-393,985.17-85,159.50

Finding the Fourth Proportional to 262,651.02, 393,985.17 and 85,159.50

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Solution

The fourth proportional to 262,651.02, 393,985.17 and 85,159.50 is: 127,742.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,651.02 : 393,985.17 = 85,159.50 : x
  2. Step 2: Convert to fraction form
    262,651.02/393,985.17 = 85,159.50/x
  3. Step 3: Cross multiply
    262,651.02x = 393,985.17 × 85,159.50
  4. Step 4: Simplify right side
    262,651.02x = 33,551,580,084.62
  5. Step 5: Solve for x
    x = 33,551,580,084.62/262,651.02
  6. Step 6: Final answer
    x = 127,742.05

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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.