Home / 137,959.61-190,385.94-84,237.17

Finding the Fourth Proportional to 137,959.61, 190,385.94 and 84,237.17

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Solution

The fourth proportional to 137,959.61, 190,385.94 and 84,237.17 is: 116,248.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,959.61 : 190,385.94 = 84,237.17 : x
  2. Step 2: Convert to fraction form
    137,959.61/190,385.94 = 84,237.17/x
  3. Step 3: Cross multiply
    137,959.61x = 190,385.94 × 84,237.17
  4. Step 4: Simplify right side
    137,959.61x = 16,037,572,157.35
  5. Step 5: Solve for x
    x = 16,037,572,157.35/137,959.61
  6. Step 6: Final answer
    x = 116,248.32

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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.