Home / 141,386.96-195,117.76-76,860.56

Finding the Fourth Proportional to 141,386.96, 195,117.76 and 76,860.56

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Solution

The fourth proportional to 141,386.96, 195,117.76 and 76,860.56 is: 106,069.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,386.96 : 195,117.76 = 76,860.56 : x
  2. Step 2: Convert to fraction form
    141,386.96/195,117.76 = 76,860.56/x
  3. Step 3: Cross multiply
    141,386.96x = 195,117.76 × 76,860.56
  4. Step 4: Simplify right side
    141,386.96x = 14,996,860,299.55
  5. Step 5: Solve for x
    x = 14,996,860,299.55/141,386.96
  6. Step 6: Final answer
    x = 106,069.61

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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.