Home / 137,080.02-205,479.85-52,807.17

Finding the Fourth Proportional to 137,080.02, 205,479.85 and 52,807.17

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Solution

The fourth proportional to 137,080.02, 205,479.85 and 52,807.17 is: 79,156.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,080.02 : 205,479.85 = 52,807.17 : x
  2. Step 2: Convert to fraction form
    137,080.02/205,479.85 = 52,807.17/x
  3. Step 3: Cross multiply
    137,080.02x = 205,479.85 × 52,807.17
  4. Step 4: Simplify right side
    137,080.02x = 10,850,809,370.52
  5. Step 5: Solve for x
    x = 10,850,809,370.52/137,080.02
  6. Step 6: Final answer
    x = 79,156.75

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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.