Home / 131,339.02-197,036.21-42,585.61

Finding the Fourth Proportional to 131,339.02, 197,036.21 and 42,585.61

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Solution

The fourth proportional to 131,339.02, 197,036.21 and 42,585.61 is: 63,887.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,339.02 : 197,036.21 = 42,585.61 : x
  2. Step 2: Convert to fraction form
    131,339.02/197,036.21 = 42,585.61/x
  3. Step 3: Cross multiply
    131,339.02x = 197,036.21 × 42,585.61
  4. Step 4: Simplify right side
    131,339.02x = 8,390,907,194.94
  5. Step 5: Solve for x
    x = 8,390,907,194.94/131,339.02
  6. Step 6: Final answer
    x = 63,887.39

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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.