Home / 145,445.10-217,994.85-61,205.10

Finding the Fourth Proportional to 145,445.10, 217,994.85 and 61,205.10

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Solution

The fourth proportional to 145,445.10, 217,994.85 and 61,205.10 is: 91,734.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,445.10 : 217,994.85 = 61,205.10 : x
  2. Step 2: Convert to fraction form
    145,445.10/217,994.85 = 61,205.10/x
  3. Step 3: Cross multiply
    145,445.10x = 217,994.85 × 61,205.10
  4. Step 4: Simplify right side
    145,445.10x = 13,342,396,593.74
  5. Step 5: Solve for x
    x = 13,342,396,593.74/145,445.10
  6. Step 6: Final answer
    x = 91,734.93

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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.