Home / 136,013.85-187,687.19-75,580.67

Finding the Fourth Proportional to 136,013.85, 187,687.19 and 75,580.67

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Solution

The fourth proportional to 136,013.85, 187,687.19 and 75,580.67 is: 104,294.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,013.85 : 187,687.19 = 75,580.67 : x
  2. Step 2: Convert to fraction form
    136,013.85/187,687.19 = 75,580.67/x
  3. Step 3: Cross multiply
    136,013.85x = 187,687.19 × 75,580.67
  4. Step 4: Simplify right side
    136,013.85x = 14,185,522,254.28
  5. Step 5: Solve for x
    x = 14,185,522,254.28/136,013.85
  6. Step 6: Final answer
    x = 104,294.69

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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.