Home / 133,110.27-183,692.55-72,681.43

Finding the Fourth Proportional to 133,110.27, 183,692.55 and 72,681.43

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Solution

The fourth proportional to 133,110.27, 183,692.55 and 72,681.43 is: 100,300.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,110.27 : 183,692.55 = 72,681.43 : x
  2. Step 2: Convert to fraction form
    133,110.27/183,692.55 = 72,681.43/x
  3. Step 3: Cross multiply
    133,110.27x = 183,692.55 × 72,681.43
  4. Step 4: Simplify right side
    133,110.27x = 13,351,037,214.35
  5. Step 5: Solve for x
    x = 13,351,037,214.35/133,110.27
  6. Step 6: Final answer
    x = 100,300.58

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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.