Home / 103,909.80-143,397.06-59,196.84

Finding the Fourth Proportional to 103,909.80, 143,397.06 and 59,196.84

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Solution

The fourth proportional to 103,909.80, 143,397.06 and 59,196.84 is: 81,692.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,909.80 : 143,397.06 = 59,196.84 : x
  2. Step 2: Convert to fraction form
    103,909.80/143,397.06 = 59,196.84/x
  3. Step 3: Cross multiply
    103,909.80x = 143,397.06 × 59,196.84
  4. Step 4: Simplify right side
    103,909.80x = 8,488,652,817.29
  5. Step 5: Solve for x
    x = 8,488,652,817.29/103,909.80
  6. Step 6: Final answer
    x = 81,692.51

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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.