Home / 205,968.02-284,227.99-115,315.50

Finding the Fourth Proportional to 205,968.02, 284,227.99 and 115,315.50

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Solution

The fourth proportional to 205,968.02, 284,227.99 and 115,315.50 is: 159,130.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,968.02 : 284,227.99 = 115,315.50 : x
  2. Step 2: Convert to fraction form
    205,968.02/284,227.99 = 115,315.50/x
  3. Step 3: Cross multiply
    205,968.02x = 284,227.99 × 115,315.50
  4. Step 4: Simplify right side
    205,968.02x = 32,775,891,959.63
  5. Step 5: Solve for x
    x = 32,775,891,959.63/205,968.02
  6. Step 6: Final answer
    x = 159,130.98

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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.