Home / 123,619.53-170,599.05-69,913.29

Finding the Fourth Proportional to 123,619.53, 170,599.05 and 69,913.29

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Solution

The fourth proportional to 123,619.53, 170,599.05 and 69,913.29 is: 96,482.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,619.53 : 170,599.05 = 69,913.29 : x
  2. Step 2: Convert to fraction form
    123,619.53/170,599.05 = 69,913.29/x
  3. Step 3: Cross multiply
    123,619.53x = 170,599.05 × 69,913.29
  4. Step 4: Simplify right side
    123,619.53x = 11,927,140,856.37
  5. Step 5: Solve for x
    x = 11,927,140,856.37/123,619.53
  6. Step 6: Final answer
    x = 96,482.66

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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.