Home / 101,834.66-140,525.88-56,509.38

Finding the Fourth Proportional to 101,834.66, 140,525.88 and 56,509.38

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Solution

The fourth proportional to 101,834.66, 140,525.88 and 56,509.38 is: 77,979.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,834.66 : 140,525.88 = 56,509.38 : x
  2. Step 2: Convert to fraction form
    101,834.66/140,525.88 = 56,509.38/x
  3. Step 3: Cross multiply
    101,834.66x = 140,525.88 × 56,509.38
  4. Step 4: Simplify right side
    101,834.66x = 7,941,030,352.75
  5. Step 5: Solve for x
    x = 7,941,030,352.75/101,834.66
  6. Step 6: Final answer
    x = 77,979.64

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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.