Home / 145,407.02-200,579.73-84,964.82

Finding the Fourth Proportional to 145,407.02, 200,579.73 and 84,964.82

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Solution

The fourth proportional to 145,407.02, 200,579.73 and 84,964.82 is: 117,203.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,407.02 : 200,579.73 = 84,964.82 : x
  2. Step 2: Convert to fraction form
    145,407.02/200,579.73 = 84,964.82/x
  3. Step 3: Cross multiply
    145,407.02x = 200,579.73 × 84,964.82
  4. Step 4: Simplify right side
    145,407.02x = 17,042,220,655.10
  5. Step 5: Solve for x
    x = 17,042,220,655.10/145,407.02
  6. Step 6: Final answer
    x = 117,203.56

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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.