Home / 103,239.07-154,754.02-69,962.50

Finding the Fourth Proportional to 103,239.07, 154,754.02 and 69,962.50

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Solution

The fourth proportional to 103,239.07, 154,754.02 and 69,962.50 is: 104,872.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,239.07 : 154,754.02 = 69,962.50 : x
  2. Step 2: Convert to fraction form
    103,239.07/154,754.02 = 69,962.50/x
  3. Step 3: Cross multiply
    103,239.07x = 154,754.02 × 69,962.50
  4. Step 4: Simplify right side
    103,239.07x = 10,826,978,124.25
  5. Step 5: Solve for x
    x = 10,826,978,124.25/103,239.07
  6. Step 6: Final answer
    x = 104,872.88

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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.