Home / 137,656.85-190,020.47-97,580.07

Finding the Fourth Proportional to 137,656.85, 190,020.47 and 97,580.07

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Solution

The fourth proportional to 137,656.85, 190,020.47 and 97,580.07 is: 134,698.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,656.85 : 190,020.47 = 97,580.07 : x
  2. Step 2: Convert to fraction form
    137,656.85/190,020.47 = 97,580.07/x
  3. Step 3: Cross multiply
    137,656.85x = 190,020.47 × 97,580.07
  4. Step 4: Simplify right side
    137,656.85x = 18,542,210,276.13
  5. Step 5: Solve for x
    x = 18,542,210,276.13/137,656.85
  6. Step 6: Final answer
    x = 134,698.79

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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.