Home / 148,631.30-205,281.56-97,870.94

Finding the Fourth Proportional to 148,631.30, 205,281.56 and 97,870.94

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Solution

The fourth proportional to 148,631.30, 205,281.56 and 97,870.94 is: 135,174.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,631.30 : 205,281.56 = 97,870.94 : x
  2. Step 2: Convert to fraction form
    148,631.30/205,281.56 = 97,870.94/x
  3. Step 3: Cross multiply
    148,631.30x = 205,281.56 × 97,870.94
  4. Step 4: Simplify right side
    148,631.30x = 20,091,099,241.87
  5. Step 5: Solve for x
    x = 20,091,099,241.87/148,631.30
  6. Step 6: Final answer
    x = 135,174.08

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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.