Home / 145,208.34-217,777.95-40,035.78

Finding the Fourth Proportional to 145,208.34, 217,777.95 and 40,035.78

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Solution

The fourth proportional to 145,208.34, 217,777.95 and 40,035.78 is: 60,044.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,208.34 : 217,777.95 = 40,035.78 : x
  2. Step 2: Convert to fraction form
    145,208.34/217,777.95 = 40,035.78/x
  3. Step 3: Cross multiply
    145,208.34x = 217,777.95 × 40,035.78
  4. Step 4: Simplify right side
    145,208.34x = 8,718,910,095.05
  5. Step 5: Solve for x
    x = 8,718,910,095.05/145,208.34
  6. Step 6: Final answer
    x = 60,044.14

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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.