Home / 86,801.04-130,158.36-40,014

Finding the Fourth Proportional to 86,801.04, 130,158.36 and 40,014

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Solution

The fourth proportional to 86,801.04, 130,158.36 and 40,014 is: 60,001.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,801.04 : 130,158.36 = 40,014 : x
  2. Step 2: Convert to fraction form
    86,801.04/130,158.36 = 40,014/x
  3. Step 3: Cross multiply
    86,801.04x = 130,158.36 × 40,014
  4. Step 4: Simplify right side
    86,801.04x = 5,208,156,617.04
  5. Step 5: Solve for x
    x = 5,208,156,617.04/86,801.04
  6. Step 6: Final answer
    x = 60,001.09

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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.