Home / 98,707.85-136,217.93-53,386.73

Finding the Fourth Proportional to 98,707.85, 136,217.93 and 53,386.73

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Solution

The fourth proportional to 98,707.85, 136,217.93 and 53,386.73 is: 73,674.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,707.85 : 136,217.93 = 53,386.73 : x
  2. Step 2: Convert to fraction form
    98,707.85/136,217.93 = 53,386.73/x
  3. Step 3: Cross multiply
    98,707.85x = 136,217.93 × 53,386.73
  4. Step 4: Simplify right side
    98,707.85x = 7,272,229,850.07
  5. Step 5: Solve for x
    x = 7,272,229,850.07/98,707.85
  6. Step 6: Final answer
    x = 73,674.28

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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.