Home / 153,352.08-211,627.56-84,449.28

Finding the Fourth Proportional to 153,352.08, 211,627.56 and 84,449.28

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Solution

The fourth proportional to 153,352.08, 211,627.56 and 84,449.28 is: 116,540.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,352.08 : 211,627.56 = 84,449.28 : x
  2. Step 2: Convert to fraction form
    153,352.08/211,627.56 = 84,449.28/x
  3. Step 3: Cross multiply
    153,352.08x = 211,627.56 × 84,449.28
  4. Step 4: Simplify right side
    153,352.08x = 17,871,795,070.16
  5. Step 5: Solve for x
    x = 17,871,795,070.16/153,352.08
  6. Step 6: Final answer
    x = 116,540.94

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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.