Home / 103,419.84-142,715.60-63,200.92

Finding the Fourth Proportional to 103,419.84, 142,715.60 and 63,200.92

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Solution

The fourth proportional to 103,419.84, 142,715.60 and 63,200.92 is: 87,214.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,419.84 : 142,715.60 = 63,200.92 : x
  2. Step 2: Convert to fraction form
    103,419.84/142,715.60 = 63,200.92/x
  3. Step 3: Cross multiply
    103,419.84x = 142,715.60 × 63,200.92
  4. Step 4: Simplify right side
    103,419.84x = 9,019,757,218.35
  5. Step 5: Solve for x
    x = 9,019,757,218.35/103,419.84
  6. Step 6: Final answer
    x = 87,214.96

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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.