Home / 136,060.07-187,763.58-75,636.32

Finding the Fourth Proportional to 136,060.07, 187,763.58 and 75,636.32

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Solution

The fourth proportional to 136,060.07, 187,763.58 and 75,636.32 is: 104,378.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,060.07 : 187,763.58 = 75,636.32 : x
  2. Step 2: Convert to fraction form
    136,060.07/187,763.58 = 75,636.32/x
  3. Step 3: Cross multiply
    136,060.07x = 187,763.58 × 75,636.32
  4. Step 4: Simplify right side
    136,060.07x = 14,201,745,282.41
  5. Step 5: Solve for x
    x = 14,201,745,282.41/136,060.07
  6. Step 6: Final answer
    x = 104,378.50

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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.