Home / 210,462.66-290,439.48-114,970.92

Finding the Fourth Proportional to 210,462.66, 290,439.48 and 114,970.92

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Solution

The fourth proportional to 210,462.66, 290,439.48 and 114,970.92 is: 158,660.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,462.66 : 290,439.48 = 114,970.92 : x
  2. Step 2: Convert to fraction form
    210,462.66/290,439.48 = 114,970.92/x
  3. Step 3: Cross multiply
    210,462.66x = 290,439.48 × 114,970.92
  4. Step 4: Simplify right side
    210,462.66x = 33,392,094,219.92
  5. Step 5: Solve for x
    x = 33,392,094,219.92/210,462.66
  6. Step 6: Final answer
    x = 158,660.42

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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.