Home / 98,739.50-136,260.60-54,027.50

Finding the Fourth Proportional to 98,739.50, 136,260.60 and 54,027.50

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Solution

The fourth proportional to 98,739.50, 136,260.60 and 54,027.50 is: 74,558.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,739.50 : 136,260.60 = 54,027.50 : x
  2. Step 2: Convert to fraction form
    98,739.50/136,260.60 = 54,027.50/x
  3. Step 3: Cross multiply
    98,739.50x = 136,260.60 × 54,027.50
  4. Step 4: Simplify right side
    98,739.50x = 7,361,819,566.50
  5. Step 5: Solve for x
    x = 7,361,819,566.50/98,739.50
  6. Step 6: Final answer
    x = 74,558.00

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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.