Home / 210,010.20-289,789.02-119,333.40

Finding the Fourth Proportional to 210,010.20, 289,789.02 and 119,333.40

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Solution

The fourth proportional to 210,010.20, 289,789.02 and 119,333.40 is: 164,665.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,010.20 : 289,789.02 = 119,333.40 : x
  2. Step 2: Convert to fraction form
    210,010.20/289,789.02 = 119,333.40/x
  3. Step 3: Cross multiply
    210,010.20x = 289,789.02 × 119,333.40
  4. Step 4: Simplify right side
    210,010.20x = 34,581,509,039.27
  5. Step 5: Solve for x
    x = 34,581,509,039.27/210,010.20
  6. Step 6: Final answer
    x = 164,665.85

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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.