Home / 147,288.64-203,252.72-90,023.76

Finding the Fourth Proportional to 147,288.64, 203,252.72 and 90,023.76

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Solution

The fourth proportional to 147,288.64, 203,252.72 and 90,023.76 is: 124,229.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,288.64 : 203,252.72 = 90,023.76 : x
  2. Step 2: Convert to fraction form
    147,288.64/203,252.72 = 90,023.76/x
  3. Step 3: Cross multiply
    147,288.64x = 203,252.72 × 90,023.76
  4. Step 4: Simplify right side
    147,288.64x = 18,297,574,084.63
  5. Step 5: Solve for x
    x = 18,297,574,084.63/147,288.64
  6. Step 6: Final answer
    x = 124,229.36

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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.