Home / 112,380.64-168,570.50-53,257.84

Finding the Fourth Proportional to 112,380.64, 168,570.50 and 53,257.84

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Solution

The fourth proportional to 112,380.64, 168,570.50 and 53,257.84 is: 79,886.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,380.64 : 168,570.50 = 53,257.84 : x
  2. Step 2: Convert to fraction form
    112,380.64/168,570.50 = 53,257.84/x
  3. Step 3: Cross multiply
    112,380.64x = 168,570.50 × 53,257.84
  4. Step 4: Simplify right side
    112,380.64x = 8,977,700,030.00
  5. Step 5: Solve for x
    x = 8,977,700,030.00/112,380.64
  6. Step 6: Final answer
    x = 79,886.54

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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.