Home / 124,516.16-171,808.80-74,219.84

Finding the Fourth Proportional to 124,516.16, 171,808.80 and 74,219.84

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Solution

The fourth proportional to 124,516.16, 171,808.80 and 74,219.84 is: 102,409.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,516.16 : 171,808.80 = 74,219.84 : x
  2. Step 2: Convert to fraction form
    124,516.16/171,808.80 = 74,219.84/x
  3. Step 3: Cross multiply
    124,516.16x = 171,808.80 × 74,219.84
  4. Step 4: Simplify right side
    124,516.16x = 12,751,621,646.59
  5. Step 5: Solve for x
    x = 12,751,621,646.59/124,516.16
  6. Step 6: Final answer
    x = 102,409.37

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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.