Home / 215,026.88-296,711.25-118,214.81

Finding the Fourth Proportional to 215,026.88, 296,711.25 and 118,214.81

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Solution

The fourth proportional to 215,026.88, 296,711.25 and 118,214.81 is: 163,122.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,026.88 : 296,711.25 = 118,214.81 : x
  2. Step 2: Convert to fraction form
    215,026.88/296,711.25 = 118,214.81/x
  3. Step 3: Cross multiply
    215,026.88x = 296,711.25 × 118,214.81
  4. Step 4: Simplify right side
    215,026.88x = 35,075,662,560.06
  5. Step 5: Solve for x
    x = 35,075,662,560.06/215,026.88
  6. Step 6: Final answer
    x = 163,122.22

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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.