Home / 261,962.25-361,507.91-142,730.25

Finding the Fourth Proportional to 261,962.25, 361,507.91 and 142,730.25

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Solution

The fourth proportional to 261,962.25, 361,507.91 and 142,730.25 is: 196,967.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,962.25 : 361,507.91 = 142,730.25 : x
  2. Step 2: Convert to fraction form
    261,962.25/361,507.91 = 142,730.25/x
  3. Step 3: Cross multiply
    261,962.25x = 361,507.91 × 142,730.25
  4. Step 4: Simplify right side
    261,962.25x = 51,598,113,657.63
  5. Step 5: Solve for x
    x = 51,598,113,657.63/261,962.25
  6. Step 6: Final answer
    x = 196,967.75

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1.5x scale

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.