Home / 99,029.66-136,661.54-53,708.31

Finding the Fourth Proportional to 99,029.66, 136,661.54 and 53,708.31

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Solution

The fourth proportional to 99,029.66, 136,661.54 and 53,708.31 is: 74,117.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,029.66 : 136,661.54 = 53,708.31 : x
  2. Step 2: Convert to fraction form
    99,029.66/136,661.54 = 53,708.31/x
  3. Step 3: Cross multiply
    99,029.66x = 136,661.54 × 53,708.31
  4. Step 4: Simplify right side
    99,029.66x = 7,339,860,086.86
  5. Step 5: Solve for x
    x = 7,339,860,086.86/99,029.66
  6. Step 6: Final answer
    x = 74,117.80

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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.