Home / 219,966.19-330,074.09-118,762.89

Finding the Fourth Proportional to 219,966.19, 330,074.09 and 118,762.89

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Solution

The fourth proportional to 219,966.19, 330,074.09 and 118,762.89 is: 178,211.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,966.19 : 330,074.09 = 118,762.89 : x
  2. Step 2: Convert to fraction form
    219,966.19/330,074.09 = 118,762.89/x
  3. Step 3: Cross multiply
    219,966.19x = 330,074.09 × 118,762.89
  4. Step 4: Simplify right side
    219,966.19x = 39,200,552,842.52
  5. Step 5: Solve for x
    x = 39,200,552,842.52/219,966.19
  6. Step 6: Final answer
    x = 178,211.72

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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.