Home / 116,089.26-160,205.02-65,113.32

Finding the Fourth Proportional to 116,089.26, 160,205.02 and 65,113.32

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Solution

The fourth proportional to 116,089.26, 160,205.02 and 65,113.32 is: 89,857.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,089.26 : 160,205.02 = 65,113.32 : x
  2. Step 2: Convert to fraction form
    116,089.26/160,205.02 = 65,113.32/x
  3. Step 3: Cross multiply
    116,089.26x = 160,205.02 × 65,113.32
  4. Step 4: Simplify right side
    116,089.26x = 10,431,480,732.87
  5. Step 5: Solve for x
    x = 10,431,480,732.87/116,089.26
  6. Step 6: Final answer
    x = 89,857.41

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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.