Home / 136,675.53-188,626.83-76,267.14

Finding the Fourth Proportional to 136,675.53, 188,626.83 and 76,267.14

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Solution

The fourth proportional to 136,675.53, 188,626.83 and 76,267.14 is: 105,256.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,675.53 : 188,626.83 = 76,267.14 : x
  2. Step 2: Convert to fraction form
    136,675.53/188,626.83 = 76,267.14/x
  3. Step 3: Cross multiply
    136,675.53x = 188,626.83 × 76,267.14
  4. Step 4: Simplify right side
    136,675.53x = 14,386,028,851.37
  5. Step 5: Solve for x
    x = 14,386,028,851.37/136,675.53
  6. Step 6: Final answer
    x = 105,256.80

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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.