Home / 180,284.42-248,790.93-99,717.86

Finding the Fourth Proportional to 180,284.42, 248,790.93 and 99,717.86

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Solution

The fourth proportional to 180,284.42, 248,790.93 and 99,717.86 is: 137,609.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,284.42 : 248,790.93 = 99,717.86 : x
  2. Step 2: Convert to fraction form
    180,284.42/248,790.93 = 99,717.86/x
  3. Step 3: Cross multiply
    180,284.42x = 248,790.93 × 99,717.86
  4. Step 4: Simplify right side
    180,284.42x = 24,808,899,127.01
  5. Step 5: Solve for x
    x = 24,808,899,127.01/180,284.42
  6. Step 6: Final answer
    x = 137,609.78

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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.