Home / 135,392.95-186,837.69-74,966.14

Finding the Fourth Proportional to 135,392.95, 186,837.69 and 74,966.14

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Solution

The fourth proportional to 135,392.95, 186,837.69 and 74,966.14 is: 103,450.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,392.95 : 186,837.69 = 74,966.14 : x
  2. Step 2: Convert to fraction form
    135,392.95/186,837.69 = 74,966.14/x
  3. Step 3: Cross multiply
    135,392.95x = 186,837.69 × 74,966.14
  4. Step 4: Simplify right side
    135,392.95x = 14,006,500,425.82
  5. Step 5: Solve for x
    x = 14,006,500,425.82/135,392.95
  6. Step 6: Final answer
    x = 103,450.74

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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.