Home / 187,145.60-280,806.93-97,140.48

Finding the Fourth Proportional to 187,145.60, 280,806.93 and 97,140.48

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Solution

The fourth proportional to 187,145.60, 280,806.93 and 97,140.48 is: 145,756.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,145.60 : 280,806.93 = 97,140.48 : x
  2. Step 2: Convert to fraction form
    187,145.60/280,806.93 = 97,140.48/x
  3. Step 3: Cross multiply
    187,145.60x = 280,806.93 × 97,140.48
  4. Step 4: Simplify right side
    187,145.60x = 27,277,719,967.53
  5. Step 5: Solve for x
    x = 27,277,719,967.53/187,145.60
  6. Step 6: Final answer
    x = 145,756.67

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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.