Home / 141,549.04-212,017.29-66,556.81

Finding the Fourth Proportional to 141,549.04, 212,017.29 and 66,556.81

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Solution

The fourth proportional to 141,549.04, 212,017.29 and 66,556.81 is: 99,691.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,549.04 : 212,017.29 = 66,556.81 : x
  2. Step 2: Convert to fraction form
    141,549.04/212,017.29 = 66,556.81/x
  3. Step 3: Cross multiply
    141,549.04x = 212,017.29 × 66,556.81
  4. Step 4: Simplify right side
    141,549.04x = 14,111,194,487.24
  5. Step 5: Solve for x
    x = 14,111,194,487.24/141,549.04
  6. Step 6: Final answer
    x = 99,691.21

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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.