Home / 110,508.05-152,461.08-72,289.37

Finding the Fourth Proportional to 110,508.05, 152,461.08 and 72,289.37

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Solution

The fourth proportional to 110,508.05, 152,461.08 and 72,289.37 is: 99,733.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,508.05 : 152,461.08 = 72,289.37 : x
  2. Step 2: Convert to fraction form
    110,508.05/152,461.08 = 72,289.37/x
  3. Step 3: Cross multiply
    110,508.05x = 152,461.08 × 72,289.37
  4. Step 4: Simplify right side
    110,508.05x = 11,021,314,660.41
  5. Step 5: Solve for x
    x = 11,021,314,660.41/110,508.05
  6. Step 6: Final answer
    x = 99,733.14

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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.