Home / 130,205.52-179,635.32-73,574.64

Finding the Fourth Proportional to 130,205.52, 179,635.32 and 73,574.64

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Solution

The fourth proportional to 130,205.52, 179,635.32 and 73,574.64 is: 101,505.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,205.52 : 179,635.32 = 73,574.64 : x
  2. Step 2: Convert to fraction form
    130,205.52/179,635.32 = 73,574.64/x
  3. Step 3: Cross multiply
    130,205.52x = 179,635.32 × 73,574.64
  4. Step 4: Simplify right side
    130,205.52x = 13,216,604,000.28
  5. Step 5: Solve for x
    x = 13,216,604,000.28/130,205.52
  6. Step 6: Final answer
    x = 101,505.71

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1.5x scale

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.