Home / 212,417.61-293,101.99-121,756.89

Finding the Fourth Proportional to 212,417.61, 293,101.99 and 121,756.89

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Solution

The fourth proportional to 212,417.61, 293,101.99 and 121,756.89 is: 168,004.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,417.61 : 293,101.99 = 121,756.89 : x
  2. Step 2: Convert to fraction form
    212,417.61/293,101.99 = 121,756.89/x
  3. Step 3: Cross multiply
    212,417.61x = 293,101.99 × 121,756.89
  4. Step 4: Simplify right side
    212,417.61x = 35,687,186,755.21
  5. Step 5: Solve for x
    x = 35,687,186,755.21/212,417.61
  6. Step 6: Final answer
    x = 168,004.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.