Home / 126,586.32-174,688.65-71,391.26

Finding the Fourth Proportional to 126,586.32, 174,688.65 and 71,391.26

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Solution

The fourth proportional to 126,586.32, 174,688.65 and 71,391.26 is: 98,519.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,586.32 : 174,688.65 = 71,391.26 : x
  2. Step 2: Convert to fraction form
    126,586.32/174,688.65 = 71,391.26/x
  3. Step 3: Cross multiply
    126,586.32x = 174,688.65 × 71,391.26
  4. Step 4: Simplify right side
    126,586.32x = 12,471,242,831.20
  5. Step 5: Solve for x
    x = 12,471,242,831.20/126,586.32
  6. Step 6: Final answer
    x = 98,519.67

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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.