Home / 174,511.20-261,807.80-56,178.10

Finding the Fourth Proportional to 174,511.20, 261,807.80 and 56,178.10

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Solution

The fourth proportional to 174,511.20, 261,807.80 and 56,178.10 is: 84,280.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,511.20 : 261,807.80 = 56,178.10 : x
  2. Step 2: Convert to fraction form
    174,511.20/261,807.80 = 56,178.10/x
  3. Step 3: Cross multiply
    174,511.20x = 261,807.80 × 56,178.10
  4. Step 4: Simplify right side
    174,511.20x = 14,707,864,769.18
  5. Step 5: Solve for x
    x = 14,707,864,769.18/174,511.20
  6. Step 6: Final answer
    x = 84,280.35

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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.