Home / 215,253.02-322,876.29-96,840.74

Finding the Fourth Proportional to 215,253.02, 322,876.29 and 96,840.74

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Solution

The fourth proportional to 215,253.02, 322,876.29 and 96,840.74 is: 145,259.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,253.02 : 322,876.29 = 96,840.74 : x
  2. Step 2: Convert to fraction form
    215,253.02/322,876.29 = 96,840.74/x
  3. Step 3: Cross multiply
    215,253.02x = 322,876.29 × 96,840.74
  4. Step 4: Simplify right side
    215,253.02x = 31,267,578,852.05
  5. Step 5: Solve for x
    x = 31,267,578,852.05/215,253.02
  6. Step 6: Final answer
    x = 145,259.65

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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.