Home / 130,048.52-179,544.30-82,342.76

Finding the Fourth Proportional to 130,048.52, 179,544.30 and 82,342.76

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Solution

The fourth proportional to 130,048.52, 179,544.30 and 82,342.76 is: 113,681.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,048.52 : 179,544.30 = 82,342.76 : x
  2. Step 2: Convert to fraction form
    130,048.52/179,544.30 = 82,342.76/x
  3. Step 3: Cross multiply
    130,048.52x = 179,544.30 × 82,342.76
  4. Step 4: Simplify right side
    130,048.52x = 14,784,173,204.27
  5. Step 5: Solve for x
    x = 14,784,173,204.27/130,048.52
  6. Step 6: Final answer
    x = 113,681.98

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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.