Home / 130,169.45-179,580.83-84,830.91

Finding the Fourth Proportional to 130,169.45, 179,580.83 and 84,830.91

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Solution

The fourth proportional to 130,169.45, 179,580.83 and 84,830.91 is: 117,032.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,169.45 : 179,580.83 = 84,830.91 : x
  2. Step 2: Convert to fraction form
    130,169.45/179,580.83 = 84,830.91/x
  3. Step 3: Cross multiply
    130,169.45x = 179,580.83 × 84,830.91
  4. Step 4: Simplify right side
    130,169.45x = 15,234,004,803.30
  5. Step 5: Solve for x
    x = 15,234,004,803.30/130,169.45
  6. Step 6: Final answer
    x = 117,032.11

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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.