Home / 202,355.02-279,206.58-117,426.52

Finding the Fourth Proportional to 202,355.02, 279,206.58 and 117,426.52

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Solution

The fourth proportional to 202,355.02, 279,206.58 and 117,426.52 is: 162,023.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,355.02 : 279,206.58 = 117,426.52 : x
  2. Step 2: Convert to fraction form
    202,355.02/279,206.58 = 117,426.52/x
  3. Step 3: Cross multiply
    202,355.02x = 279,206.58 × 117,426.52
  4. Step 4: Simplify right side
    202,355.02x = 32,786,257,050.50
  5. Step 5: Solve for x
    x = 32,786,257,050.50/202,355.02
  6. Step 6: Final answer
    x = 162,023.44

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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.