Home / 175,390.30-262,783.05-81,703.90

Finding the Fourth Proportional to 175,390.30, 262,783.05 and 81,703.90

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Solution

The fourth proportional to 175,390.30, 262,783.05 and 81,703.90 is: 122,414.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,390.30 : 262,783.05 = 81,703.90 : x
  2. Step 2: Convert to fraction form
    175,390.30/262,783.05 = 81,703.90/x
  3. Step 3: Cross multiply
    175,390.30x = 262,783.05 × 81,703.90
  4. Step 4: Simplify right side
    175,390.30x = 21,470,400,038.90
  5. Step 5: Solve for x
    x = 21,470,400,038.90/175,390.30
  6. Step 6: Final answer
    x = 122,414.98

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1.5x scale

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.