Home / 147,283.20-203,385.60-107,228.16

Finding the Fourth Proportional to 147,283.20, 203,385.60 and 107,228.16

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Solution

The fourth proportional to 147,283.20, 203,385.60 and 107,228.16 is: 148,072.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,283.20 : 203,385.60 = 107,228.16 : x
  2. Step 2: Convert to fraction form
    147,283.20/203,385.60 = 107,228.16/x
  3. Step 3: Cross multiply
    147,283.20x = 203,385.60 × 107,228.16
  4. Step 4: Simplify right side
    147,283.20x = 21,808,663,658.50
  5. Step 5: Solve for x
    x = 21,808,663,658.50/147,283.20
  6. Step 6: Final answer
    x = 148,072.99

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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.