Home / 251,837.10-347,547.96-142,949.07

Finding the Fourth Proportional to 251,837.10, 347,547.96 and 142,949.07

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Solution

The fourth proportional to 251,837.10, 347,547.96 and 142,949.07 is: 197,276.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,837.10 : 347,547.96 = 142,949.07 : x
  2. Step 2: Convert to fraction form
    251,837.10/347,547.96 = 142,949.07/x
  3. Step 3: Cross multiply
    251,837.10x = 347,547.96 × 142,949.07
  4. Step 4: Simplify right side
    251,837.10x = 49,681,657,662.40
  5. Step 5: Solve for x
    x = 49,681,657,662.40/251,837.10
  6. Step 6: Final answer
    x = 197,276.96

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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.