Home / 130,384.15-179,909.58-75,945.28

Finding the Fourth Proportional to 130,384.15, 179,909.58 and 75,945.28

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Solution

The fourth proportional to 130,384.15, 179,909.58 and 75,945.28 is: 104,792.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,384.15 : 179,909.58 = 75,945.28 : x
  2. Step 2: Convert to fraction form
    130,384.15/179,909.58 = 75,945.28/x
  3. Step 3: Cross multiply
    130,384.15x = 179,909.58 × 75,945.28
  4. Step 4: Simplify right side
    130,384.15x = 13,663,282,959.35
  5. Step 5: Solve for x
    x = 13,663,282,959.35/130,384.15
  6. Step 6: Final answer
    x = 104,792.51

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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.