Home / 111,746.78-167,509.45-52,476.35

Finding the Fourth Proportional to 111,746.78, 167,509.45 and 52,476.35

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Solution

The fourth proportional to 111,746.78, 167,509.45 and 52,476.35 is: 78,662.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,746.78 : 167,509.45 = 52,476.35 : x
  2. Step 2: Convert to fraction form
    111,746.78/167,509.45 = 52,476.35/x
  3. Step 3: Cross multiply
    111,746.78x = 167,509.45 × 52,476.35
  4. Step 4: Simplify right side
    111,746.78x = 8,790,284,526.51
  5. Step 5: Solve for x
    x = 8,790,284,526.51/111,746.78
  6. Step 6: Final answer
    x = 78,662.53

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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.