Home / 107,923.80-161,885.70-42,259.80

Finding the Fourth Proportional to 107,923.80, 161,885.70 and 42,259.80

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Solution

The fourth proportional to 107,923.80, 161,885.70 and 42,259.80 is: 63,389.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,923.80 : 161,885.70 = 42,259.80 : x
  2. Step 2: Convert to fraction form
    107,923.80/161,885.70 = 42,259.80/x
  3. Step 3: Cross multiply
    107,923.80x = 161,885.70 × 42,259.80
  4. Step 4: Simplify right side
    107,923.80x = 6,841,257,304.86
  5. Step 5: Solve for x
    x = 6,841,257,304.86/107,923.80
  6. Step 6: Final answer
    x = 63,389.70

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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.