Home / 129,931.52-179,477.57-104,533.56

Finding the Fourth Proportional to 129,931.52, 179,477.57 and 104,533.56

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Solution

The fourth proportional to 129,931.52, 179,477.57 and 104,533.56 is: 144,394.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,931.52 : 179,477.57 = 104,533.56 : x
  2. Step 2: Convert to fraction form
    129,931.52/179,477.57 = 104,533.56/x
  3. Step 3: Cross multiply
    129,931.52x = 179,477.57 × 104,533.56
  4. Step 4: Simplify right side
    129,931.52x = 18,761,429,593.58
  5. Step 5: Solve for x
    x = 18,761,429,593.58/129,931.52
  6. Step 6: Final answer
    x = 144,394.76

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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.