Home / 135,347.46-186,781.14-74,923.68

Finding the Fourth Proportional to 135,347.46, 186,781.14 and 74,923.68

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Solution

The fourth proportional to 135,347.46, 186,781.14 and 74,923.68 is: 103,395.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,347.46 : 186,781.14 = 74,923.68 : x
  2. Step 2: Convert to fraction form
    135,347.46/186,781.14 = 74,923.68/x
  3. Step 3: Cross multiply
    135,347.46x = 186,781.14 × 74,923.68
  4. Step 4: Simplify right side
    135,347.46x = 13,994,331,063.82
  5. Step 5: Solve for x
    x = 13,994,331,063.82/135,347.46
  6. Step 6: Final answer
    x = 103,395.60

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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.