Home / 236,305.80-354,336.30-70,072.20

Finding the Fourth Proportional to 236,305.80, 354,336.30 and 70,072.20

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Solution

The fourth proportional to 236,305.80, 354,336.30 and 70,072.20 is: 105,072.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,305.80 : 354,336.30 = 70,072.20 : x
  2. Step 2: Convert to fraction form
    236,305.80/354,336.30 = 70,072.20/x
  3. Step 3: Cross multiply
    236,305.80x = 354,336.30 × 70,072.20
  4. Step 4: Simplify right side
    236,305.80x = 24,829,124,080.86
  5. Step 5: Solve for x
    x = 24,829,124,080.86/236,305.80
  6. Step 6: Final answer
    x = 105,072.00

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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.