Home / 153,845.20-230,767.80-70,901.20

Finding the Fourth Proportional to 153,845.20, 230,767.80 and 70,901.20

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Solution

The fourth proportional to 153,845.20, 230,767.80 and 70,901.20 is: 106,351.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,845.20 : 230,767.80 = 70,901.20 : x
  2. Step 2: Convert to fraction form
    153,845.20/230,767.80 = 70,901.20/x
  3. Step 3: Cross multiply
    153,845.20x = 230,767.80 × 70,901.20
  4. Step 4: Simplify right side
    153,845.20x = 16,361,713,941.36
  5. Step 5: Solve for x
    x = 16,361,713,941.36/153,845.20
  6. Step 6: Final answer
    x = 106,351.80

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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.