Home / 210,137.90-289,998.43-119,502.14

Finding the Fourth Proportional to 210,137.90, 289,998.43 and 119,502.14

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Solution

The fourth proportional to 210,137.90, 289,998.43 and 119,502.14 is: 164,917.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,137.90 : 289,998.43 = 119,502.14 : x
  2. Step 2: Convert to fraction form
    210,137.90/289,998.43 = 119,502.14/x
  3. Step 3: Cross multiply
    210,137.90x = 289,998.43 × 119,502.14
  4. Step 4: Simplify right side
    210,137.90x = 34,655,431,232.89
  5. Step 5: Solve for x
    x = 34,655,431,232.89/210,137.90
  6. Step 6: Final answer
    x = 164,917.57

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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.