Home / 219,211.80-302,512.18-118,609.80

Finding the Fourth Proportional to 219,211.80, 302,512.18 and 118,609.80

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Solution

The fourth proportional to 219,211.80, 302,512.18 and 118,609.80 is: 163,681.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,211.80 : 302,512.18 = 118,609.80 : x
  2. Step 2: Convert to fraction form
    219,211.80/302,512.18 = 118,609.80/x
  3. Step 3: Cross multiply
    219,211.80x = 302,512.18 × 118,609.80
  4. Step 4: Simplify right side
    219,211.80x = 35,880,909,167.36
  5. Step 5: Solve for x
    x = 35,880,909,167.36/219,211.80
  6. Step 6: Final answer
    x = 163,681.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.