Home / 107,215.02-147,963.44-61,901.31

Finding the Fourth Proportional to 107,215.02, 147,963.44 and 61,901.31

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Solution

The fourth proportional to 107,215.02, 147,963.44 and 61,901.31 is: 85,427.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,215.02 : 147,963.44 = 61,901.31 : x
  2. Step 2: Convert to fraction form
    107,215.02/147,963.44 = 61,901.31/x
  3. Step 3: Cross multiply
    107,215.02x = 147,963.44 × 61,901.31
  4. Step 4: Simplify right side
    107,215.02x = 9,159,130,768.11
  5. Step 5: Solve for x
    x = 9,159,130,768.11/107,215.02
  6. Step 6: Final answer
    x = 85,427.68

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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.