Home / 219,344.95-302,690.46-122,549.55

Finding the Fourth Proportional to 219,344.95, 302,690.46 and 122,549.55

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Solution

The fourth proportional to 219,344.95, 302,690.46 and 122,549.55 is: 169,115.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,344.95 : 302,690.46 = 122,549.55 : x
  2. Step 2: Convert to fraction form
    219,344.95/302,690.46 = 122,549.55/x
  3. Step 3: Cross multiply
    219,344.95x = 302,690.46 × 122,549.55
  4. Step 4: Simplify right side
    219,344.95x = 37,094,579,662.29
  5. Step 5: Solve for x
    x = 37,094,579,662.29/219,344.95
  6. Step 6: Final answer
    x = 169,115.27

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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.