Home / 161,877.80-242,668.78-56,639.36

Finding the Fourth Proportional to 161,877.80, 242,668.78 and 56,639.36

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Solution

The fourth proportional to 161,877.80, 242,668.78 and 56,639.36 is: 84,907.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,877.80 : 242,668.78 = 56,639.36 : x
  2. Step 2: Convert to fraction form
    161,877.80/242,668.78 = 56,639.36/x
  3. Step 3: Cross multiply
    161,877.80x = 242,668.78 × 56,639.36
  4. Step 4: Simplify right side
    161,877.80x = 13,744,604,856.25
  5. Step 5: Solve for x
    x = 13,744,604,856.25/161,877.80
  6. Step 6: Final answer
    x = 84,907.29

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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.