Home / 140,074.48-193,307.28-76,414.96

Finding the Fourth Proportional to 140,074.48, 193,307.28 and 76,414.96

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Solution

The fourth proportional to 140,074.48, 193,307.28 and 76,414.96 is: 105,455.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,074.48 : 193,307.28 = 76,414.96 : x
  2. Step 2: Convert to fraction form
    140,074.48/193,307.28 = 76,414.96/x
  3. Step 3: Cross multiply
    140,074.48x = 193,307.28 × 76,414.96
  4. Step 4: Simplify right side
    140,074.48x = 14,771,568,068.91
  5. Step 5: Solve for x
    x = 14,771,568,068.91/140,074.48
  6. Step 6: Final answer
    x = 105,455.10

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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.