Home / 210,000.48-289,789.68-119,344.32

Finding the Fourth Proportional to 210,000.48, 289,789.68 and 119,344.32

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Solution

The fourth proportional to 210,000.48, 289,789.68 and 119,344.32 is: 164,688.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,000.48 : 289,789.68 = 119,344.32 : x
  2. Step 2: Convert to fraction form
    210,000.48/289,789.68 = 119,344.32/x
  3. Step 3: Cross multiply
    210,000.48x = 289,789.68 × 119,344.32
  4. Step 4: Simplify right side
    210,000.48x = 34,584,752,302.62
  5. Step 5: Solve for x
    x = 34,584,752,302.62/210,000.48
  6. Step 6: Final answer
    x = 164,688.92

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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.