Home / 98,778.48-136,313.24-53,455.46

Finding the Fourth Proportional to 98,778.48, 136,313.24 and 53,455.46

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Solution

The fourth proportional to 98,778.48, 136,313.24 and 53,455.46 is: 73,767.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,778.48 : 136,313.24 = 53,455.46 : x
  2. Step 2: Convert to fraction form
    98,778.48/136,313.24 = 53,455.46/x
  3. Step 3: Cross multiply
    98,778.48x = 136,313.24 × 53,455.46
  4. Step 4: Simplify right side
    98,778.48x = 7,286,686,948.29
  5. Step 5: Solve for x
    x = 7,286,686,948.29/98,778.48
  6. Step 6: Final answer
    x = 73,767.96

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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.