Home / 154,260.80-231,420.17-70,026.88

Finding the Fourth Proportional to 154,260.80, 231,420.17 and 70,026.88

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Solution

The fourth proportional to 154,260.80, 231,420.17 and 70,026.88 is: 105,053.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,260.80 : 231,420.17 = 70,026.88 : x
  2. Step 2: Convert to fraction form
    154,260.80/231,420.17 = 70,026.88/x
  3. Step 3: Cross multiply
    154,260.80x = 231,420.17 × 70,026.88
  4. Step 4: Simplify right side
    154,260.80x = 16,205,631,545.48
  5. Step 5: Solve for x
    x = 16,205,631,545.48/154,260.80
  6. Step 6: Final answer
    x = 105,053.46

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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.