Home / 219,083.68-302,146.20-142,575.24

Finding the Fourth Proportional to 219,083.68, 302,146.20 and 142,575.24

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Solution

The fourth proportional to 219,083.68, 302,146.20 and 142,575.24 is: 196,630.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,083.68 : 302,146.20 = 142,575.24 : x
  2. Step 2: Convert to fraction form
    219,083.68/302,146.20 = 142,575.24/x
  3. Step 3: Cross multiply
    219,083.68x = 302,146.20 × 142,575.24
  4. Step 4: Simplify right side
    219,083.68x = 43,078,566,980.09
  5. Step 5: Solve for x
    x = 43,078,566,980.09/219,083.68
  6. Step 6: Final answer
    x = 196,630.65

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1.5x scale

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.