Home / 136,056.57-187,758.75-75,632.82

Finding the Fourth Proportional to 136,056.57, 187,758.75 and 75,632.82

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Solution

The fourth proportional to 136,056.57, 187,758.75 and 75,632.82 is: 104,373.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,056.57 : 187,758.75 = 75,632.82 : x
  2. Step 2: Convert to fraction form
    136,056.57/187,758.75 = 75,632.82/x
  3. Step 3: Cross multiply
    136,056.57x = 187,758.75 × 75,632.82
  4. Step 4: Simplify right side
    136,056.57x = 14,200,723,742.18
  5. Step 5: Solve for x
    x = 14,200,723,742.18/136,056.57
  6. Step 6: Final answer
    x = 104,373.67

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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.