Home / 210,192.60-290,063.40-114,700.92

Finding the Fourth Proportional to 210,192.60, 290,063.40 and 114,700.92

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Solution

The fourth proportional to 210,192.60, 290,063.40 and 114,700.92 is: 158,285.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,192.60 : 290,063.40 = 114,700.92 : x
  2. Step 2: Convert to fraction form
    210,192.60/290,063.40 = 114,700.92/x
  3. Step 3: Cross multiply
    210,192.60x = 290,063.40 × 114,700.92
  4. Step 4: Simplify right side
    210,192.60x = 33,270,538,838.33
  5. Step 5: Solve for x
    x = 33,270,538,838.33/210,192.60
  6. Step 6: Final answer
    x = 158,285.97

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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.