Home / 102,281.28-153,458.76-35,731.20

Finding the Fourth Proportional to 102,281.28, 153,458.76 and 35,731.20

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Solution

The fourth proportional to 102,281.28, 153,458.76 and 35,731.20 is: 53,609.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,281.28 : 153,458.76 = 35,731.20 : x
  2. Step 2: Convert to fraction form
    102,281.28/153,458.76 = 35,731.20/x
  3. Step 3: Cross multiply
    102,281.28x = 153,458.76 × 35,731.20
  4. Step 4: Simplify right side
    102,281.28x = 5,483,265,645.31
  5. Step 5: Solve for x
    x = 5,483,265,645.31/102,281.28
  6. Step 6: Final answer
    x = 53,609.67

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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.