Home / 147,919.68-204,297.48-99,437.40

Finding the Fourth Proportional to 147,919.68, 204,297.48 and 99,437.40

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Solution

The fourth proportional to 147,919.68, 204,297.48 and 99,437.40 is: 137,336.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,919.68 : 204,297.48 = 99,437.40 : x
  2. Step 2: Convert to fraction form
    147,919.68/204,297.48 = 99,437.40/x
  3. Step 3: Cross multiply
    147,919.68x = 204,297.48 × 99,437.40
  4. Step 4: Simplify right side
    147,919.68x = 20,314,810,237.75
  5. Step 5: Solve for x
    x = 20,314,810,237.75/147,919.68
  6. Step 6: Final answer
    x = 137,336.76

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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.