Home / 215,881.04-323,816.70-97,520.60

Finding the Fourth Proportional to 215,881.04, 323,816.70 and 97,520.60

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Solution

The fourth proportional to 215,881.04, 323,816.70 and 97,520.60 is: 146,278.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,881.04 : 323,816.70 = 97,520.60 : x
  2. Step 2: Convert to fraction form
    215,881.04/323,816.70 = 97,520.60/x
  3. Step 3: Cross multiply
    215,881.04x = 323,816.70 × 97,520.60
  4. Step 4: Simplify right side
    215,881.04x = 31,578,798,874.02
  5. Step 5: Solve for x
    x = 31,578,798,874.02/215,881.04
  6. Step 6: Final answer
    x = 146,278.70

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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.