Home / 126,430.05-189,683.13-37,683.55

Finding the Fourth Proportional to 126,430.05, 189,683.13 and 37,683.55

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Solution

The fourth proportional to 126,430.05, 189,683.13 and 37,683.55 is: 56,536.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,430.05 : 189,683.13 = 37,683.55 : x
  2. Step 2: Convert to fraction form
    126,430.05/189,683.13 = 37,683.55/x
  3. Step 3: Cross multiply
    126,430.05x = 189,683.13 × 37,683.55
  4. Step 4: Simplify right side
    126,430.05x = 7,147,934,091.93
  5. Step 5: Solve for x
    x = 7,147,934,091.93/126,430.05
  6. Step 6: Final answer
    x = 56,536.67

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1.5x scale

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.