Home / 153,116.20-229,026.30-137,434.60

Finding the Fourth Proportional to 153,116.20, 229,026.30 and 137,434.60

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Solution

The fourth proportional to 153,116.20, 229,026.30 and 137,434.60 is: 205,570.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,116.20 : 229,026.30 = 137,434.60 : x
  2. Step 2: Convert to fraction form
    153,116.20/229,026.30 = 137,434.60/x
  3. Step 3: Cross multiply
    153,116.20x = 229,026.30 × 137,434.60
  4. Step 4: Simplify right side
    153,116.20x = 31,476,137,929.98
  5. Step 5: Solve for x
    x = 31,476,137,929.98/153,116.20
  6. Step 6: Final answer
    x = 205,570.27

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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.