Home / 103,484.05-155,196.09-40,290.10

Finding the Fourth Proportional to 103,484.05, 155,196.09 and 40,290.10

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Solution

The fourth proportional to 103,484.05, 155,196.09 and 40,290.10 is: 60,423.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,484.05 : 155,196.09 = 40,290.10 : x
  2. Step 2: Convert to fraction form
    103,484.05/155,196.09 = 40,290.10/x
  3. Step 3: Cross multiply
    103,484.05x = 155,196.09 × 40,290.10
  4. Step 4: Simplify right side
    103,484.05x = 6,252,865,597.72
  5. Step 5: Solve for x
    x = 6,252,865,597.72/103,484.05
  6. Step 6: Final answer
    x = 60,423.47

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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.