Home / 148,631.06-205,281.22-97,870.70

Finding the Fourth Proportional to 148,631.06, 205,281.22 and 97,870.70

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Solution

The fourth proportional to 148,631.06, 205,281.22 and 97,870.70 is: 135,173.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,631.06 : 205,281.22 = 97,870.70 : x
  2. Step 2: Convert to fraction form
    148,631.06/205,281.22 = 97,870.70/x
  3. Step 3: Cross multiply
    148,631.06x = 205,281.22 × 97,870.70
  4. Step 4: Simplify right side
    148,631.06x = 20,091,016,698.25
  5. Step 5: Solve for x
    x = 20,091,016,698.25/148,631.06
  6. Step 6: Final answer
    x = 135,173.74

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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.