Home / 161,640.23-242,460.32-61,810.47

Finding the Fourth Proportional to 161,640.23, 242,460.32 and 61,810.47

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Solution

The fourth proportional to 161,640.23, 242,460.32 and 61,810.47 is: 92,715.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,640.23 : 242,460.32 = 61,810.47 : x
  2. Step 2: Convert to fraction form
    161,640.23/242,460.32 = 61,810.47/x
  3. Step 3: Cross multiply
    161,640.23x = 242,460.32 × 61,810.47
  4. Step 4: Simplify right side
    161,640.23x = 14,986,586,026.50
  5. Step 5: Solve for x
    x = 14,986,586,026.50/161,640.23
  6. Step 6: Final answer
    x = 92,715.70

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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.