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Finding the Fourth Proportional to 173,618.35, 260,038.72 and 103,634.35

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Solution

The fourth proportional to 173,618.35, 260,038.72 and 103,634.35 is: 155,219.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,618.35 : 260,038.72 = 103,634.35 : x
  2. Step 2: Convert to fraction form
    173,618.35/260,038.72 = 103,634.35/x
  3. Step 3: Cross multiply
    173,618.35x = 260,038.72 × 103,634.35
  4. Step 4: Simplify right side
    173,618.35x = 26,948,943,722.03
  5. Step 5: Solve for x
    x = 26,948,943,722.03/173,618.35
  6. Step 6: Final answer
    x = 155,219.44

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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.