Home / 135,030.28-202,589.16-64,915.06

Finding the Fourth Proportional to 135,030.28, 202,589.16 and 64,915.06

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Solution

The fourth proportional to 135,030.28, 202,589.16 and 64,915.06 is: 97,393.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,030.28 : 202,589.16 = 64,915.06 : x
  2. Step 2: Convert to fraction form
    135,030.28/202,589.16 = 64,915.06/x
  3. Step 3: Cross multiply
    135,030.28x = 202,589.16 × 64,915.06
  4. Step 4: Simplify right side
    135,030.28x = 13,151,087,476.75
  5. Step 5: Solve for x
    x = 13,151,087,476.75/135,030.28
  6. Step 6: Final answer
    x = 97,393.62

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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.