Home / 135,758.09-187,347.45-75,334.35

Finding the Fourth Proportional to 135,758.09, 187,347.45 and 75,334.35

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Solution

The fourth proportional to 135,758.09, 187,347.45 and 75,334.35 is: 103,962.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,758.09 : 187,347.45 = 75,334.35 : x
  2. Step 2: Convert to fraction form
    135,758.09/187,347.45 = 75,334.35/x
  3. Step 3: Cross multiply
    135,758.09x = 187,347.45 × 75,334.35
  4. Step 4: Simplify right side
    135,758.09x = 14,113,698,369.91
  5. Step 5: Solve for x
    x = 14,113,698,369.91/135,758.09
  6. Step 6: Final answer
    x = 103,962.12

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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.