Home / 147,360.30-221,040.45-131,030.70

Finding the Fourth Proportional to 147,360.30, 221,040.45 and 131,030.70

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Solution

The fourth proportional to 147,360.30, 221,040.45 and 131,030.70 is: 196,546.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,360.30 : 221,040.45 = 131,030.70 : x
  2. Step 2: Convert to fraction form
    147,360.30/221,040.45 = 131,030.70/x
  3. Step 3: Cross multiply
    147,360.30x = 221,040.45 × 131,030.70
  4. Step 4: Simplify right side
    147,360.30x = 28,963,084,891.82
  5. Step 5: Solve for x
    x = 28,963,084,891.82/147,360.30
  6. Step 6: Final answer
    x = 196,546.05

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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.