Home / 207,819.02-286,790.31-112,325.72

Finding the Fourth Proportional to 207,819.02, 286,790.31 and 112,325.72

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Solution

The fourth proportional to 207,819.02, 286,790.31 and 112,325.72 is: 155,009.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,819.02 : 286,790.31 = 112,325.72 : x
  2. Step 2: Convert to fraction form
    207,819.02/286,790.31 = 112,325.72/x
  3. Step 3: Cross multiply
    207,819.02x = 286,790.31 × 112,325.72
  4. Step 4: Simplify right side
    207,819.02x = 32,213,928,059.77
  5. Step 5: Solve for x
    x = 32,213,928,059.77/207,819.02
  6. Step 6: Final answer
    x = 155,009.53

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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.