Home / 136,085.21-187,786.95-75,652.17

Finding the Fourth Proportional to 136,085.21, 187,786.95 and 75,652.17

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Solution

The fourth proportional to 136,085.21, 187,786.95 and 75,652.17 is: 104,394.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,085.21 : 187,786.95 = 75,652.17 : x
  2. Step 2: Convert to fraction form
    136,085.21/187,786.95 = 75,652.17/x
  3. Step 3: Cross multiply
    136,085.21x = 187,786.95 × 75,652.17
  4. Step 4: Simplify right side
    136,085.21x = 14,206,490,265.18
  5. Step 5: Solve for x
    x = 14,206,490,265.18/136,085.21
  6. Step 6: Final answer
    x = 104,394.08

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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.