Home / 107,933.80-161,900.70-97,436.20

Finding the Fourth Proportional to 107,933.80, 161,900.70 and 97,436.20

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Solution

The fourth proportional to 107,933.80, 161,900.70 and 97,436.20 is: 146,154.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,933.80 : 161,900.70 = 97,436.20 : x
  2. Step 2: Convert to fraction form
    107,933.80/161,900.70 = 97,436.20/x
  3. Step 3: Cross multiply
    107,933.80x = 161,900.70 × 97,436.20
  4. Step 4: Simplify right side
    107,933.80x = 15,774,988,985.34
  5. Step 5: Solve for x
    x = 15,774,988,985.34/107,933.80
  6. Step 6: Final answer
    x = 146,154.30

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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.