Home / 161,555.23-242,332.98-77,295.52

Finding the Fourth Proportional to 161,555.23, 242,332.98 and 77,295.52

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Solution

The fourth proportional to 161,555.23, 242,332.98 and 77,295.52 is: 115,943.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,555.23 : 242,332.98 = 77,295.52 : x
  2. Step 2: Convert to fraction form
    161,555.23/242,332.98 = 77,295.52/x
  3. Step 3: Cross multiply
    161,555.23x = 242,332.98 × 77,295.52
  4. Step 4: Simplify right side
    161,555.23x = 18,731,253,702.25
  5. Step 5: Solve for x
    x = 18,731,253,702.25/161,555.23
  6. Step 6: Final answer
    x = 115,943.34

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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.