Home / 144,959.20-217,460.40-51,457.12

Finding the Fourth Proportional to 144,959.20, 217,460.40 and 51,457.12

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Solution

The fourth proportional to 144,959.20, 217,460.40 and 51,457.12 is: 77,193.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,959.20 : 217,460.40 = 51,457.12 : x
  2. Step 2: Convert to fraction form
    144,959.20/217,460.40 = 51,457.12/x
  3. Step 3: Cross multiply
    144,959.20x = 217,460.40 × 51,457.12
  4. Step 4: Simplify right side
    144,959.20x = 11,189,885,898.05
  5. Step 5: Solve for x
    x = 11,189,885,898.05/144,959.20
  6. Step 6: Final answer
    x = 77,193.35

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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.