Home / 137,824.98-190,219.29-84,141.30

Finding the Fourth Proportional to 137,824.98, 190,219.29 and 84,141.30

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Solution

The fourth proportional to 137,824.98, 190,219.29 and 84,141.30 is: 116,127.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,824.98 : 190,219.29 = 84,141.30 : x
  2. Step 2: Convert to fraction form
    137,824.98/190,219.29 = 84,141.30/x
  3. Step 3: Cross multiply
    137,824.98x = 190,219.29 × 84,141.30
  4. Step 4: Simplify right side
    137,824.98x = 16,005,298,345.68
  5. Step 5: Solve for x
    x = 16,005,298,345.68/137,824.98
  6. Step 6: Final answer
    x = 116,127.70

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1.5x scale

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.