Home / 88,289.21-132,430.89-38,369.36

Finding the Fourth Proportional to 88,289.21, 132,430.89 and 38,369.36

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Solution

The fourth proportional to 88,289.21, 132,430.89 and 38,369.36 is: 57,552.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,289.21 : 132,430.89 = 38,369.36 : x
  2. Step 2: Convert to fraction form
    88,289.21/132,430.89 = 38,369.36/x
  3. Step 3: Cross multiply
    88,289.21x = 132,430.89 × 38,369.36
  4. Step 4: Simplify right side
    88,289.21x = 5,081,288,184.11
  5. Step 5: Solve for x
    x = 5,081,288,184.11/88,289.21
  6. Step 6: Final answer
    x = 57,552.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.