Home / 97,799.34-146,748.21-72,889.41

Finding the Fourth Proportional to 97,799.34, 146,748.21 and 72,889.41

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Solution

The fourth proportional to 97,799.34, 146,748.21 and 72,889.41 is: 109,370.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,799.34 : 146,748.21 = 72,889.41 : x
  2. Step 2: Convert to fraction form
    97,799.34/146,748.21 = 72,889.41/x
  3. Step 3: Cross multiply
    97,799.34x = 146,748.21 × 72,889.41
  4. Step 4: Simplify right side
    97,799.34x = 10,696,390,445.46
  5. Step 5: Solve for x
    x = 10,696,390,445.46/97,799.34
  6. Step 6: Final answer
    x = 109,370.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.