Home / 145,624.44-200,934.90-81,948.72

Finding the Fourth Proportional to 145,624.44, 200,934.90 and 81,948.72

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Solution

The fourth proportional to 145,624.44, 200,934.90 and 81,948.72 is: 113,074.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,624.44 : 200,934.90 = 81,948.72 : x
  2. Step 2: Convert to fraction form
    145,624.44/200,934.90 = 81,948.72/x
  3. Step 3: Cross multiply
    145,624.44x = 200,934.90 × 81,948.72
  4. Step 4: Simplify right side
    145,624.44x = 16,466,357,858.33
  5. Step 5: Solve for x
    x = 16,466,357,858.33/145,624.44
  6. Step 6: Final answer
    x = 113,074.14

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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.