Home / 210,543.40-290,550.62-115,050.10

Finding the Fourth Proportional to 210,543.40, 290,550.62 and 115,050.10

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Solution

The fourth proportional to 210,543.40, 290,550.62 and 115,050.10 is: 158,769.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,543.40 : 290,550.62 = 115,050.10 : x
  2. Step 2: Convert to fraction form
    210,543.40/290,550.62 = 115,050.10/x
  3. Step 3: Cross multiply
    210,543.40x = 290,550.62 × 115,050.10
  4. Step 4: Simplify right side
    210,543.40x = 33,427,877,886.06
  5. Step 5: Solve for x
    x = 33,427,877,886.06/210,543.40
  6. Step 6: Final answer
    x = 158,769.54

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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.