Home / 134,888.64-202,435.07-75,774.03

Finding the Fourth Proportional to 134,888.64, 202,435.07 and 75,774.03

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Solution

The fourth proportional to 134,888.64, 202,435.07 and 75,774.03 is: 113,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,888.64 : 202,435.07 = 75,774.03 : x
  2. Step 2: Convert to fraction form
    134,888.64/202,435.07 = 75,774.03/x
  3. Step 3: Cross multiply
    134,888.64x = 202,435.07 × 75,774.03
  4. Step 4: Simplify right side
    134,888.64x = 15,339,320,688.36
  5. Step 5: Solve for x
    x = 15,339,320,688.36/134,888.64
  6. Step 6: Final answer
    x = 113,718.40

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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.