Home / 144,878.20-217,364.64-70,006.96

Finding the Fourth Proportional to 144,878.20, 217,364.64 and 70,006.96

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Solution

The fourth proportional to 144,878.20, 217,364.64 and 70,006.96 is: 105,033.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,878.20 : 217,364.64 = 70,006.96 : x
  2. Step 2: Convert to fraction form
    144,878.20/217,364.64 = 70,006.96/x
  3. Step 3: Cross multiply
    144,878.20x = 217,364.64 × 70,006.96
  4. Step 4: Simplify right side
    144,878.20x = 15,217,037,657.89
  5. Step 5: Solve for x
    x = 15,217,037,657.89/144,878.20
  6. Step 6: Final answer
    x = 105,033.32

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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.