Home / 219,176.08-302,460.02-122,381.43

Finding the Fourth Proportional to 219,176.08, 302,460.02 and 122,381.43

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Solution

The fourth proportional to 219,176.08, 302,460.02 and 122,381.43 is: 168,884.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,176.08 : 302,460.02 = 122,381.43 : x
  2. Step 2: Convert to fraction form
    219,176.08/302,460.02 = 122,381.43/x
  3. Step 3: Cross multiply
    219,176.08x = 302,460.02 × 122,381.43
  4. Step 4: Simplify right side
    219,176.08x = 37,015,490,867.96
  5. Step 5: Solve for x
    x = 37,015,490,867.96/219,176.08
  6. Step 6: Final answer
    x = 168,884.72

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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.