Home / 148,219.16-204,404.26-137,210.34

Finding the Fourth Proportional to 148,219.16, 204,404.26 and 137,210.34

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Solution

The fourth proportional to 148,219.16, 204,404.26 and 137,210.34 is: 189,222.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,219.16 : 204,404.26 = 137,210.34 : x
  2. Step 2: Convert to fraction form
    148,219.16/204,404.26 = 137,210.34/x
  3. Step 3: Cross multiply
    148,219.16x = 204,404.26 × 137,210.34
  4. Step 4: Simplify right side
    148,219.16x = 28,046,378,012.05
  5. Step 5: Solve for x
    x = 28,046,378,012.05/148,219.16
  6. Step 6: Final answer
    x = 189,222.35

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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.