Home / 152,513.20-228,769.80-99,369.10

Finding the Fourth Proportional to 152,513.20, 228,769.80 and 99,369.10

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Solution

The fourth proportional to 152,513.20, 228,769.80 and 99,369.10 is: 149,053.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,513.20 : 228,769.80 = 99,369.10 : x
  2. Step 2: Convert to fraction form
    152,513.20/228,769.80 = 99,369.10/x
  3. Step 3: Cross multiply
    152,513.20x = 228,769.80 × 99,369.10
  4. Step 4: Simplify right side
    152,513.20x = 22,732,649,133.18
  5. Step 5: Solve for x
    x = 22,732,649,133.18/152,513.20
  6. Step 6: Final answer
    x = 149,053.65

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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.