Home / 170,458.24-256,056-144,215.68

Finding the Fourth Proportional to 170,458.24, 256,056 and 144,215.68

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Solution

The fourth proportional to 170,458.24, 256,056 and 144,215.68 is: 216,635.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,458.24 : 256,056 = 144,215.68 : x
  2. Step 2: Convert to fraction form
    170,458.24/256,056 = 144,215.68/x
  3. Step 3: Cross multiply
    170,458.24x = 256,056 × 144,215.68
  4. Step 4: Simplify right side
    170,458.24x = 36,927,290,158.08
  5. Step 5: Solve for x
    x = 36,927,290,158.08/170,458.24
  6. Step 6: Final answer
    x = 216,635.41

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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.