Home / 103,193.04-142,404.84-57,871.08

Finding the Fourth Proportional to 103,193.04, 142,404.84 and 57,871.08

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Solution

The fourth proportional to 103,193.04, 142,404.84 and 57,871.08 is: 79,861.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,193.04 : 142,404.84 = 57,871.08 : x
  2. Step 2: Convert to fraction form
    103,193.04/142,404.84 = 57,871.08/x
  3. Step 3: Cross multiply
    103,193.04x = 142,404.84 × 57,871.08
  4. Step 4: Simplify right side
    103,193.04x = 8,241,121,888.03
  5. Step 5: Solve for x
    x = 8,241,121,888.03/103,193.04
  6. Step 6: Final answer
    x = 79,861.22

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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.