Home / 90,007.96-134,935.38-54,972.22

Finding the Fourth Proportional to 90,007.96, 134,935.38 and 54,972.22

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Solution

The fourth proportional to 90,007.96, 134,935.38 and 54,972.22 is: 82,411.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,007.96 : 134,935.38 = 54,972.22 : x
  2. Step 2: Convert to fraction form
    90,007.96/134,935.38 = 54,972.22/x
  3. Step 3: Cross multiply
    90,007.96x = 134,935.38 × 54,972.22
  4. Step 4: Simplify right side
    90,007.96x = 7,417,697,395.14
  5. Step 5: Solve for x
    x = 7,417,697,395.14/90,007.96
  6. Step 6: Final answer
    x = 82,411.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.