Home / 115,536.39-159,437.27-64,549.50

Finding the Fourth Proportional to 115,536.39, 159,437.27 and 64,549.50

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Solution

The fourth proportional to 115,536.39, 159,437.27 and 64,549.50 is: 89,076.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,536.39 : 159,437.27 = 64,549.50 : x
  2. Step 2: Convert to fraction form
    115,536.39/159,437.27 = 64,549.50/x
  3. Step 3: Cross multiply
    115,536.39x = 159,437.27 × 64,549.50
  4. Step 4: Simplify right side
    115,536.39x = 10,291,596,520.18
  5. Step 5: Solve for x
    x = 10,291,596,520.18/115,536.39
  6. Step 6: Final answer
    x = 89,076.67

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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.