Home / 145,927.20-219,063.60-144,890.40

Finding the Fourth Proportional to 145,927.20, 219,063.60 and 144,890.40

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Solution

The fourth proportional to 145,927.20, 219,063.60 and 144,890.40 is: 217,507.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,927.20 : 219,063.60 = 144,890.40 : x
  2. Step 2: Convert to fraction form
    145,927.20/219,063.60 = 144,890.40/x
  3. Step 3: Cross multiply
    145,927.20x = 219,063.60 × 144,890.40
  4. Step 4: Simplify right side
    145,927.20x = 31,740,212,629.44
  5. Step 5: Solve for x
    x = 31,740,212,629.44/145,927.20
  6. Step 6: Final answer
    x = 217,507.17

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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.