Home / 219,337.12-302,690.28-123,844.60

Finding the Fourth Proportional to 219,337.12, 302,690.28 and 123,844.60

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Solution

The fourth proportional to 219,337.12, 302,690.28 and 123,844.60 is: 170,908.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,337.12 : 302,690.28 = 123,844.60 : x
  2. Step 2: Convert to fraction form
    219,337.12/302,690.28 = 123,844.60/x
  3. Step 3: Cross multiply
    219,337.12x = 302,690.28 × 123,844.60
  4. Step 4: Simplify right side
    219,337.12x = 37,486,556,650.49
  5. Step 5: Solve for x
    x = 37,486,556,650.49/219,337.12
  6. Step 6: Final answer
    x = 170,908.40

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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.