Home / 140,748.05-194,225.08-77,084.48

Finding the Fourth Proportional to 140,748.05, 194,225.08 and 77,084.48

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Solution

The fourth proportional to 140,748.05, 194,225.08 and 77,084.48 is: 106,372.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,748.05 : 194,225.08 = 77,084.48 : x
  2. Step 2: Convert to fraction form
    140,748.05/194,225.08 = 77,084.48/x
  3. Step 3: Cross multiply
    140,748.05x = 194,225.08 × 77,084.48
  4. Step 4: Simplify right side
    140,748.05x = 14,971,739,294.76
  5. Step 5: Solve for x
    x = 14,971,739,294.76/140,748.05
  6. Step 6: Final answer
    x = 106,372.62

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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.