Home / 107,277.36-148,021.20-64,838.28

Finding the Fourth Proportional to 107,277.36, 148,021.20 and 64,838.28

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Solution

The fourth proportional to 107,277.36, 148,021.20 and 64,838.28 is: 89,463.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,277.36 : 148,021.20 = 64,838.28 : x
  2. Step 2: Convert to fraction form
    107,277.36/148,021.20 = 64,838.28/x
  3. Step 3: Cross multiply
    107,277.36x = 148,021.20 × 64,838.28
  4. Step 4: Simplify right side
    107,277.36x = 9,597,440,011.54
  5. Step 5: Solve for x
    x = 9,597,440,011.54/107,277.36
  6. Step 6: Final answer
    x = 89,463.80

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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.