Home / 147,537.45-221,470.20-91,440.90

Finding the Fourth Proportional to 147,537.45, 221,470.20 and 91,440.90

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Solution

The fourth proportional to 147,537.45, 221,470.20 and 91,440.90 is: 137,263.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,537.45 : 221,470.20 = 91,440.90 : x
  2. Step 2: Convert to fraction form
    147,537.45/221,470.20 = 91,440.90/x
  3. Step 3: Cross multiply
    147,537.45x = 221,470.20 × 91,440.90
  4. Step 4: Simplify right side
    147,537.45x = 20,251,434,411.18
  5. Step 5: Solve for x
    x = 20,251,434,411.18/147,537.45
  6. Step 6: Final answer
    x = 137,263.01

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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.