Home / 140,148.48-193,407.68-76,488.96

Finding the Fourth Proportional to 140,148.48, 193,407.68 and 76,488.96

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Solution

The fourth proportional to 140,148.48, 193,407.68 and 76,488.96 is: 105,556.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,148.48 : 193,407.68 = 76,488.96 : x
  2. Step 2: Convert to fraction form
    140,148.48/193,407.68 = 76,488.96/x
  3. Step 3: Cross multiply
    140,148.48x = 193,407.68 × 76,488.96
  4. Step 4: Simplify right side
    140,148.48x = 14,793,552,299.21
  5. Step 5: Solve for x
    x = 14,793,552,299.21/140,148.48
  6. Step 6: Final answer
    x = 105,556.28

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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.