Home / 113,488.80-170,233.20-99,664.80

Finding the Fourth Proportional to 113,488.80, 170,233.20 and 99,664.80

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Solution

The fourth proportional to 113,488.80, 170,233.20 and 99,664.80 is: 149,497.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,488.80 : 170,233.20 = 99,664.80 : x
  2. Step 2: Convert to fraction form
    113,488.80/170,233.20 = 99,664.80/x
  3. Step 3: Cross multiply
    113,488.80x = 170,233.20 × 99,664.80
  4. Step 4: Simplify right side
    113,488.80x = 16,966,257,831.36
  5. Step 5: Solve for x
    x = 16,966,257,831.36/113,488.80
  6. Step 6: Final answer
    x = 149,497.20

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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.