Home / 210,042.24-289,868.55-118,190.28

Finding the Fourth Proportional to 210,042.24, 289,868.55 and 118,190.28

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Solution

The fourth proportional to 210,042.24, 289,868.55 and 118,190.28 is: 163,108.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,042.24 : 289,868.55 = 118,190.28 : x
  2. Step 2: Convert to fraction form
    210,042.24/289,868.55 = 118,190.28/x
  3. Step 3: Cross multiply
    210,042.24x = 289,868.55 × 118,190.28
  4. Step 4: Simplify right side
    210,042.24x = 34,259,645,087.69
  5. Step 5: Solve for x
    x = 34,259,645,087.69/210,042.24
  6. Step 6: Final answer
    x = 163,108.36

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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.