Home / 209,063.43-288,526.82-118,423.22

Finding the Fourth Proportional to 209,063.43, 288,526.82 and 118,423.22

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Solution

The fourth proportional to 209,063.43, 288,526.82 and 118,423.22 is: 163,434.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,063.43 : 288,526.82 = 118,423.22 : x
  2. Step 2: Convert to fraction form
    209,063.43/288,526.82 = 118,423.22/x
  3. Step 3: Cross multiply
    209,063.43x = 288,526.82 × 118,423.22
  4. Step 4: Simplify right side
    209,063.43x = 34,168,273,046.01
  5. Step 5: Solve for x
    x = 34,168,273,046.01/209,063.43
  6. Step 6: Final answer
    x = 163,434.96

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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.