Home / 137,904.40-190,111.08-92,501.20

Finding the Fourth Proportional to 137,904.40, 190,111.08 and 92,501.20

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Solution

The fourth proportional to 137,904.40, 190,111.08 and 92,501.20 is: 127,519.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,904.40 : 190,111.08 = 92,501.20 : x
  2. Step 2: Convert to fraction form
    137,904.40/190,111.08 = 92,501.20/x
  3. Step 3: Cross multiply
    137,904.40x = 190,111.08 × 92,501.20
  4. Step 4: Simplify right side
    137,904.40x = 17,585,503,033.30
  5. Step 5: Solve for x
    x = 17,585,503,033.30/137,904.40
  6. Step 6: Final answer
    x = 127,519.52

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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.