Home / 211,354.56-291,671.04-115,870.08

Finding the Fourth Proportional to 211,354.56, 291,671.04 and 115,870.08

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Solution

The fourth proportional to 211,354.56, 291,671.04 and 115,870.08 is: 159,901.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,354.56 : 291,671.04 = 115,870.08 : x
  2. Step 2: Convert to fraction form
    211,354.56/291,671.04 = 115,870.08/x
  3. Step 3: Cross multiply
    211,354.56x = 291,671.04 × 115,870.08
  4. Step 4: Simplify right side
    211,354.56x = 33,795,946,738.48
  5. Step 5: Solve for x
    x = 33,795,946,738.48/211,354.56
  6. Step 6: Final answer
    x = 159,901.67

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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.