Home / 164,821.60-245,846.80-149,685.72

Finding the Fourth Proportional to 164,821.60, 245,846.80 and 149,685.72

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Solution

The fourth proportional to 164,821.60, 245,846.80 and 149,685.72 is: 223,270.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,821.60 : 245,846.80 = 149,685.72 : x
  2. Step 2: Convert to fraction form
    164,821.60/245,846.80 = 149,685.72/x
  3. Step 3: Cross multiply
    164,821.60x = 245,846.80 × 149,685.72
  4. Step 4: Simplify right side
    164,821.60x = 36,799,755,267.70
  5. Step 5: Solve for x
    x = 36,799,755,267.70/164,821.60
  6. Step 6: Final answer
    x = 223,270.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.