Home / 210,541.33-290,547.78-115,048.02

Finding the Fourth Proportional to 210,541.33, 290,547.78 and 115,048.02

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Solution

The fourth proportional to 210,541.33, 290,547.78 and 115,048.02 is: 158,766.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,541.33 : 290,547.78 = 115,048.02 : x
  2. Step 2: Convert to fraction form
    210,541.33/290,547.78 = 115,048.02/x
  3. Step 3: Cross multiply
    210,541.33x = 290,547.78 × 115,048.02
  4. Step 4: Simplify right side
    210,541.33x = 33,426,947,616.07
  5. Step 5: Solve for x
    x = 33,426,947,616.07/210,541.33
  6. Step 6: Final answer
    x = 158,766.68

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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.