Home / 242,815.55-364,001.45-84,957.89

Finding the Fourth Proportional to 242,815.55, 364,001.45 and 84,957.89

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Solution

The fourth proportional to 242,815.55, 364,001.45 and 84,957.89 is: 127,359.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,815.55 : 364,001.45 = 84,957.89 : x
  2. Step 2: Convert to fraction form
    242,815.55/364,001.45 = 84,957.89/x
  3. Step 3: Cross multiply
    242,815.55x = 364,001.45 × 84,957.89
  4. Step 4: Simplify right side
    242,815.55x = 30,924,792,904.14
  5. Step 5: Solve for x
    x = 30,924,792,904.14/242,815.55
  6. Step 6: Final answer
    x = 127,359.20

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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.