Home / 151,626.47-209,311.76-97,937.67

Finding the Fourth Proportional to 151,626.47, 209,311.76 and 97,937.67

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Solution

The fourth proportional to 151,626.47, 209,311.76 and 97,937.67 is: 135,197.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,626.47 : 209,311.76 = 97,937.67 : x
  2. Step 2: Convert to fraction form
    151,626.47/209,311.76 = 97,937.67/x
  3. Step 3: Cross multiply
    151,626.47x = 209,311.76 × 97,937.67
  4. Step 4: Simplify right side
    151,626.47x = 20,499,507,107.76
  5. Step 5: Solve for x
    x = 20,499,507,107.76/151,626.47
  6. Step 6: Final answer
    x = 135,197.42

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1.5x scale

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.