Home / 137,434.04-206,200.20-84,782.24

Finding the Fourth Proportional to 137,434.04, 206,200.20 and 84,782.24

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Solution

The fourth proportional to 137,434.04, 206,200.20 and 84,782.24 is: 127,203.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,434.04 : 206,200.20 = 84,782.24 : x
  2. Step 2: Convert to fraction form
    137,434.04/206,200.20 = 84,782.24/x
  3. Step 3: Cross multiply
    137,434.04x = 206,200.20 × 84,782.24
  4. Step 4: Simplify right side
    137,434.04x = 17,482,114,844.45
  5. Step 5: Solve for x
    x = 17,482,114,844.45/137,434.04
  6. Step 6: Final answer
    x = 127,203.67

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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.