Home / 210,115.59-289,973.21-119,479.98

Finding the Fourth Proportional to 210,115.59, 289,973.21 and 119,479.98

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Solution

The fourth proportional to 210,115.59, 289,973.21 and 119,479.98 is: 164,890.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,115.59 : 289,973.21 = 119,479.98 : x
  2. Step 2: Convert to fraction form
    210,115.59/289,973.21 = 119,479.98/x
  3. Step 3: Cross multiply
    210,115.59x = 289,973.21 × 119,479.98
  4. Step 4: Simplify right side
    210,115.59x = 34,645,992,733.94
  5. Step 5: Solve for x
    x = 34,645,992,733.94/210,115.59
  6. Step 6: Final answer
    x = 164,890.16

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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.