Home / 209,036.03-288,461.15-113,540.67

Finding the Fourth Proportional to 209,036.03, 288,461.15 and 113,540.67

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Solution

The fourth proportional to 209,036.03, 288,461.15 and 113,540.67 is: 156,681.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,036.03 : 288,461.15 = 113,540.67 : x
  2. Step 2: Convert to fraction form
    209,036.03/288,461.15 = 113,540.67/x
  3. Step 3: Cross multiply
    209,036.03x = 288,461.15 × 113,540.67
  4. Step 4: Simplify right side
    209,036.03x = 32,752,072,098.04
  5. Step 5: Solve for x
    x = 32,752,072,098.04/209,036.03
  6. Step 6: Final answer
    x = 156,681.47

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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.