Home / 242,317.11-334,428.97-138,991.58

Finding the Fourth Proportional to 242,317.11, 334,428.97 and 138,991.58

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Solution

The fourth proportional to 242,317.11, 334,428.97 and 138,991.58 is: 191,826.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,317.11 : 334,428.97 = 138,991.58 : x
  2. Step 2: Convert to fraction form
    242,317.11/334,428.97 = 138,991.58/x
  3. Step 3: Cross multiply
    242,317.11x = 334,428.97 × 138,991.58
  4. Step 4: Simplify right side
    242,317.11x = 46,482,810,938.07
  5. Step 5: Solve for x
    x = 46,482,810,938.07/242,317.11
  6. Step 6: Final answer
    x = 191,826.37

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1.5x scale

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.