Home / 147,500.20-221,336.70-54,015.40

Finding the Fourth Proportional to 147,500.20, 221,336.70 and 54,015.40

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Solution

The fourth proportional to 147,500.20, 221,336.70 and 54,015.40 is: 81,054.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,500.20 : 221,336.70 = 54,015.40 : x
  2. Step 2: Convert to fraction form
    147,500.20/221,336.70 = 54,015.40/x
  3. Step 3: Cross multiply
    147,500.20x = 221,336.70 × 54,015.40
  4. Step 4: Simplify right side
    147,500.20x = 11,955,590,385.18
  5. Step 5: Solve for x
    x = 11,955,590,385.18/147,500.20
  6. Step 6: Final answer
    x = 81,054.74

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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.