Home / 140,207.40-193,486.86-76,546.67

Finding the Fourth Proportional to 140,207.40, 193,486.86 and 76,546.67

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Solution

The fourth proportional to 140,207.40, 193,486.86 and 76,546.67 is: 105,634.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,207.40 : 193,486.86 = 76,546.67 : x
  2. Step 2: Convert to fraction form
    140,207.40/193,486.86 = 76,546.67/x
  3. Step 3: Cross multiply
    140,207.40x = 193,486.86 × 76,546.67
  4. Step 4: Simplify right side
    140,207.40x = 14,810,773,854.32
  5. Step 5: Solve for x
    x = 14,810,773,854.32/140,207.40
  6. Step 6: Final answer
    x = 105,634.75

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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.