Home / 345,827.88-518,698.08-93,128.54

Finding the Fourth Proportional to 345,827.88, 518,698.08 and 93,128.54

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Solution

The fourth proportional to 345,827.88, 518,698.08 and 93,128.54 is: 139,681.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,827.88 : 518,698.08 = 93,128.54 : x
  2. Step 2: Convert to fraction form
    345,827.88/518,698.08 = 93,128.54/x
  3. Step 3: Cross multiply
    345,827.88x = 518,698.08 × 93,128.54
  4. Step 4: Simplify right side
    345,827.88x = 48,305,592,297.71
  5. Step 5: Solve for x
    x = 48,305,592,297.71/345,827.88
  6. Step 6: Final answer
    x = 139,681.02

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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.