Home / 210,063.60-289,886.04-114,572.88

Finding the Fourth Proportional to 210,063.60, 289,886.04 and 114,572.88

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Solution

The fourth proportional to 210,063.60, 289,886.04 and 114,572.88 is: 158,109.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,063.60 : 289,886.04 = 114,572.88 : x
  2. Step 2: Convert to fraction form
    210,063.60/289,886.04 = 114,572.88/x
  3. Step 3: Cross multiply
    210,063.60x = 289,886.04 × 114,572.88
  4. Step 4: Simplify right side
    210,063.60x = 33,213,078,474.60
  5. Step 5: Solve for x
    x = 33,213,078,474.60/210,063.60
  6. Step 6: Final answer
    x = 158,109.63

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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.