Home / 135,677.04-187,327.11-84,767.34

Finding the Fourth Proportional to 135,677.04, 187,327.11 and 84,767.34

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Solution

The fourth proportional to 135,677.04, 187,327.11 and 84,767.34 is: 117,036.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,677.04 : 187,327.11 = 84,767.34 : x
  2. Step 2: Convert to fraction form
    135,677.04/187,327.11 = 84,767.34/x
  3. Step 3: Cross multiply
    135,677.04x = 187,327.11 × 84,767.34
  4. Step 4: Simplify right side
    135,677.04x = 15,879,220,824.59
  5. Step 5: Solve for x
    x = 15,879,220,824.59/135,677.04
  6. Step 6: Final answer
    x = 117,036.90

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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.