Home / 145,587.44-218,381.10-40,406.38

Finding the Fourth Proportional to 145,587.44, 218,381.10 and 40,406.38

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Solution

The fourth proportional to 145,587.44, 218,381.10 and 40,406.38 is: 60,609.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,587.44 : 218,381.10 = 40,406.38 : x
  2. Step 2: Convert to fraction form
    145,587.44/218,381.10 = 40,406.38/x
  3. Step 3: Cross multiply
    145,587.44x = 218,381.10 × 40,406.38
  4. Step 4: Simplify right side
    145,587.44x = 8,823,989,013.94
  5. Step 5: Solve for x
    x = 8,823,989,013.94/145,587.44
  6. Step 6: Final answer
    x = 60,609.55

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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.