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Finding the Fourth Proportional to 173,406.10, 260,109.15 and 48,730.90

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Solution

The fourth proportional to 173,406.10, 260,109.15 and 48,730.90 is: 73,096.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,406.10 : 260,109.15 = 48,730.90 : x
  2. Step 2: Convert to fraction form
    173,406.10/260,109.15 = 48,730.90/x
  3. Step 3: Cross multiply
    173,406.10x = 260,109.15 × 48,730.90
  4. Step 4: Simplify right side
    173,406.10x = 12,675,352,977.74
  5. Step 5: Solve for x
    x = 12,675,352,977.74/173,406.10
  6. Step 6: Final answer
    x = 73,096.35

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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.