Home / 147,458.94-221,260.50-68,628.12

Finding the Fourth Proportional to 147,458.94, 221,260.50 and 68,628.12

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Solution

The fourth proportional to 147,458.94, 221,260.50 and 68,628.12 is: 102,975.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,458.94 : 221,260.50 = 68,628.12 : x
  2. Step 2: Convert to fraction form
    147,458.94/221,260.50 = 68,628.12/x
  3. Step 3: Cross multiply
    147,458.94x = 221,260.50 × 68,628.12
  4. Step 4: Simplify right side
    147,458.94x = 15,184,692,145.26
  5. Step 5: Solve for x
    x = 15,184,692,145.26/147,458.94
  6. Step 6: Final answer
    x = 102,975.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.