Home / 136,406.03-188,244.81-75,148.97

Finding the Fourth Proportional to 136,406.03, 188,244.81 and 75,148.97

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Solution

The fourth proportional to 136,406.03, 188,244.81 and 75,148.97 is: 103,708.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,406.03 : 188,244.81 = 75,148.97 : x
  2. Step 2: Convert to fraction form
    136,406.03/188,244.81 = 75,148.97/x
  3. Step 3: Cross multiply
    136,406.03x = 188,244.81 × 75,148.97
  4. Step 4: Simplify right side
    136,406.03x = 14,146,402,638.12
  5. Step 5: Solve for x
    x = 14,146,402,638.12/136,406.03
  6. Step 6: Final answer
    x = 103,708.05

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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.