Home / 98,706.30-136,214.69-53,384.28

Finding the Fourth Proportional to 98,706.30, 136,214.69 and 53,384.28

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Solution

The fourth proportional to 98,706.30, 136,214.69 and 53,384.28 is: 73,670.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,706.30 : 136,214.69 = 53,384.28 : x
  2. Step 2: Convert to fraction form
    98,706.30/136,214.69 = 53,384.28/x
  3. Step 3: Cross multiply
    98,706.30x = 136,214.69 × 53,384.28
  4. Step 4: Simplify right side
    98,706.30x = 7,271,722,884.15
  5. Step 5: Solve for x
    x = 7,271,722,884.15/98,706.30
  6. Step 6: Final answer
    x = 73,670.30

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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.