Home / 103,269.36-154,926.84-40,938.24

Finding the Fourth Proportional to 103,269.36, 154,926.84 and 40,938.24

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Solution

The fourth proportional to 103,269.36, 154,926.84 and 40,938.24 is: 61,416.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,269.36 : 154,926.84 = 40,938.24 : x
  2. Step 2: Convert to fraction form
    103,269.36/154,926.84 = 40,938.24/x
  3. Step 3: Cross multiply
    103,269.36x = 154,926.84 × 40,938.24
  4. Step 4: Simplify right side
    103,269.36x = 6,342,432,158.36
  5. Step 5: Solve for x
    x = 6,342,432,158.36/103,269.36
  6. Step 6: Final answer
    x = 61,416.40

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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.