Home / 210,273.96-290,182.14-114,789

Finding the Fourth Proportional to 210,273.96, 290,182.14 and 114,789

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Solution

The fourth proportional to 210,273.96, 290,182.14 and 114,789 is: 158,411.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,273.96 : 290,182.14 = 114,789 : x
  2. Step 2: Convert to fraction form
    210,273.96/290,182.14 = 114,789/x
  3. Step 3: Cross multiply
    210,273.96x = 290,182.14 × 114,789
  4. Step 4: Simplify right side
    210,273.96x = 33,309,717,668.46
  5. Step 5: Solve for x
    x = 33,309,717,668.46/210,273.96
  6. Step 6: Final answer
    x = 158,411.04

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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.