Home / 98,760.85-136,289.54-53,439.64

Finding the Fourth Proportional to 98,760.85, 136,289.54 and 53,439.64

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Solution

The fourth proportional to 98,760.85, 136,289.54 and 53,439.64 is: 73,746.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,760.85 : 136,289.54 = 53,439.64 : x
  2. Step 2: Convert to fraction form
    98,760.85/136,289.54 = 53,439.64/x
  3. Step 3: Cross multiply
    98,760.85x = 136,289.54 × 53,439.64
  4. Step 4: Simplify right side
    98,760.85x = 7,283,263,004.72
  5. Step 5: Solve for x
    x = 7,283,263,004.72/98,760.85
  6. Step 6: Final answer
    x = 73,746.46

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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.