Home / 161,948.63-242,996.76-83,118.22

Finding the Fourth Proportional to 161,948.63, 242,996.76 and 83,118.22

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Solution

The fourth proportional to 161,948.63, 242,996.76 and 83,118.22 is: 124,715.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,948.63 : 242,996.76 = 83,118.22 : x
  2. Step 2: Convert to fraction form
    161,948.63/242,996.76 = 83,118.22/x
  3. Step 3: Cross multiply
    161,948.63x = 242,996.76 × 83,118.22
  4. Step 4: Simplify right side
    161,948.63x = 20,197,457,549.48
  5. Step 5: Solve for x
    x = 20,197,457,549.48/161,948.63
  6. Step 6: Final answer
    x = 124,715.21

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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.