Home / 77,667.21-107,154.96-63,302.37

Finding the Fourth Proportional to 77,667.21, 107,154.96 and 63,302.37

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Solution

The fourth proportional to 77,667.21, 107,154.96 and 63,302.37 is: 87,336.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,667.21 : 107,154.96 = 63,302.37 : x
  2. Step 2: Convert to fraction form
    77,667.21/107,154.96 = 63,302.37/x
  3. Step 3: Cross multiply
    77,667.21x = 107,154.96 × 63,302.37
  4. Step 4: Simplify right side
    77,667.21x = 6,783,162,925.26
  5. Step 5: Solve for x
    x = 6,783,162,925.26/77,667.21
  6. Step 6: Final answer
    x = 87,336.25

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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.