Home / 210,538.83-290,543.94-115,043.48

Finding the Fourth Proportional to 210,538.83, 290,543.94 and 115,043.48

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Solution

The fourth proportional to 210,538.83, 290,543.94 and 115,043.48 is: 158,760.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,538.83 : 290,543.94 = 115,043.48 : x
  2. Step 2: Convert to fraction form
    210,538.83/290,543.94 = 115,043.48/x
  3. Step 3: Cross multiply
    210,538.83x = 290,543.94 × 115,043.48
  4. Step 4: Simplify right side
    210,538.83x = 33,425,184,497.79
  5. Step 5: Solve for x
    x = 33,425,184,497.79/210,538.83
  6. Step 6: Final answer
    x = 158,760.19

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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.