Home / 169,470.36-254,207.48-51,142.72

Finding the Fourth Proportional to 169,470.36, 254,207.48 and 51,142.72

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Solution

The fourth proportional to 169,470.36, 254,207.48 and 51,142.72 is: 76,714.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,470.36 : 254,207.48 = 51,142.72 : x
  2. Step 2: Convert to fraction form
    169,470.36/254,207.48 = 51,142.72/x
  3. Step 3: Cross multiply
    169,470.36x = 254,207.48 × 51,142.72
  4. Step 4: Simplify right side
    169,470.36x = 13,000,861,971.55
  5. Step 5: Solve for x
    x = 13,000,861,971.55/169,470.36
  6. Step 6: Final answer
    x = 76,714.67

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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.