Home / 107,389.62-148,192.88-64,392.86

Finding the Fourth Proportional to 107,389.62, 148,192.88 and 64,392.86

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Solution

The fourth proportional to 107,389.62, 148,192.88 and 64,392.86 is: 88,859.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,389.62 : 148,192.88 = 64,392.86 : x
  2. Step 2: Convert to fraction form
    107,389.62/148,192.88 = 64,392.86/x
  3. Step 3: Cross multiply
    107,389.62x = 148,192.88 × 64,392.86
  4. Step 4: Simplify right side
    107,389.62x = 9,542,563,374.84
  5. Step 5: Solve for x
    x = 9,542,563,374.84/107,389.62
  6. Step 6: Final answer
    x = 88,859.27

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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.