Home / 109,239.76-150,739.14-61,492.24

Finding the Fourth Proportional to 109,239.76, 150,739.14 and 61,492.24

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Solution

The fourth proportional to 109,239.76, 150,739.14 and 61,492.24 is: 84,852.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,239.76 : 150,739.14 = 61,492.24 : x
  2. Step 2: Convert to fraction form
    109,239.76/150,739.14 = 61,492.24/x
  3. Step 3: Cross multiply
    109,239.76x = 150,739.14 × 61,492.24
  4. Step 4: Simplify right side
    109,239.76x = 9,269,287,374.27
  5. Step 5: Solve for x
    x = 9,269,287,374.27/109,239.76
  6. Step 6: Final answer
    x = 84,852.69

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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.