Home / 106,659.95-147,178.20-58,910.45

Finding the Fourth Proportional to 106,659.95, 147,178.20 and 58,910.45

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Solution

The fourth proportional to 106,659.95, 147,178.20 and 58,910.45 is: 81,289.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,659.95 : 147,178.20 = 58,910.45 : x
  2. Step 2: Convert to fraction form
    106,659.95/147,178.20 = 58,910.45/x
  3. Step 3: Cross multiply
    106,659.95x = 147,178.20 × 58,910.45
  4. Step 4: Simplify right side
    106,659.95x = 8,670,334,360.14
  5. Step 5: Solve for x
    x = 8,670,334,360.14/106,659.95
  6. Step 6: Final answer
    x = 81,289.50

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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.