Home / 317,125.05-475,757.55-92,503.07

Finding the Fourth Proportional to 317,125.05, 475,757.55 and 92,503.07

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Solution

The fourth proportional to 317,125.05, 475,757.55 and 92,503.07 is: 138,775.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,125.05 : 475,757.55 = 92,503.07 : x
  2. Step 2: Convert to fraction form
    317,125.05/475,757.55 = 92,503.07/x
  3. Step 3: Cross multiply
    317,125.05x = 475,757.55 × 92,503.07
  4. Step 4: Simplify right side
    317,125.05x = 44,009,031,571.89
  5. Step 5: Solve for x
    x = 44,009,031,571.89/317,125.05
  6. Step 6: Final answer
    x = 138,775.01

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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.