Home / 137,722.72-190,046-97,460.08

Finding the Fourth Proportional to 137,722.72, 190,046 and 97,460.08

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Solution

The fourth proportional to 137,722.72, 190,046 and 97,460.08 is: 134,486.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,722.72 : 190,046 = 97,460.08 : x
  2. Step 2: Convert to fraction form
    137,722.72/190,046 = 97,460.08/x
  3. Step 3: Cross multiply
    137,722.72x = 190,046 × 97,460.08
  4. Step 4: Simplify right side
    137,722.72x = 18,521,898,363.68
  5. Step 5: Solve for x
    x = 18,521,898,363.68/137,722.72
  6. Step 6: Final answer
    x = 134,486.88

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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.