Home / 245,669.89-339,031.99-133,790.10

Finding the Fourth Proportional to 245,669.89, 339,031.99 and 133,790.10

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Solution

The fourth proportional to 245,669.89, 339,031.99 and 133,790.10 is: 184,634.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,669.89 : 339,031.99 = 133,790.10 : x
  2. Step 2: Convert to fraction form
    245,669.89/339,031.99 = 133,790.10/x
  3. Step 3: Cross multiply
    245,669.89x = 339,031.99 × 133,790.10
  4. Step 4: Simplify right side
    245,669.89x = 45,359,122,931.91
  5. Step 5: Solve for x
    x = 45,359,122,931.91/245,669.89
  6. Step 6: Final answer
    x = 184,634.44

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1.5x scale

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.