Home / 134,730.72-185,914.08-74,297.40

Finding the Fourth Proportional to 134,730.72, 185,914.08 and 74,297.40

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Solution

The fourth proportional to 134,730.72, 185,914.08 and 74,297.40 is: 102,522.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,730.72 : 185,914.08 = 74,297.40 : x
  2. Step 2: Convert to fraction form
    134,730.72/185,914.08 = 74,297.40/x
  3. Step 3: Cross multiply
    134,730.72x = 185,914.08 × 74,297.40
  4. Step 4: Simplify right side
    134,730.72x = 13,812,932,767.39
  5. Step 5: Solve for x
    x = 13,812,932,767.39/134,730.72
  6. Step 6: Final answer
    x = 102,522.52

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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.