Home / 207,780.02-286,724.07-120,558.39

Finding the Fourth Proportional to 207,780.02, 286,724.07 and 120,558.39

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Solution

The fourth proportional to 207,780.02, 286,724.07 and 120,558.39 is: 166,363.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,780.02 : 286,724.07 = 120,558.39 : x
  2. Step 2: Convert to fraction form
    207,780.02/286,724.07 = 120,558.39/x
  3. Step 3: Cross multiply
    207,780.02x = 286,724.07 × 120,558.39
  4. Step 4: Simplify right side
    207,780.02x = 34,566,992,253.45
  5. Step 5: Solve for x
    x = 34,566,992,253.45/207,780.02
  6. Step 6: Final answer
    x = 166,363.41

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1.5x scale

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.