Home / 141,681.61-212,276.98-99,481.42

Finding the Fourth Proportional to 141,681.61, 212,276.98 and 99,481.42

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Solution

The fourth proportional to 141,681.61, 212,276.98 and 99,481.42 is: 149,049.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,681.61 : 212,276.98 = 99,481.42 : x
  2. Step 2: Convert to fraction form
    141,681.61/212,276.98 = 99,481.42/x
  3. Step 3: Cross multiply
    141,681.61x = 212,276.98 × 99,481.42
  4. Step 4: Simplify right side
    141,681.61x = 21,117,615,403.71
  5. Step 5: Solve for x
    x = 21,117,615,403.71/141,681.61
  6. Step 6: Final answer
    x = 149,049.80

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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.