Home / 250,199.40-345,242.01-142,763.04

Finding the Fourth Proportional to 250,199.40, 345,242.01 and 142,763.04

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Solution

The fourth proportional to 250,199.40, 345,242.01 and 142,763.04 is: 196,994.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,199.40 : 345,242.01 = 142,763.04 : x
  2. Step 2: Convert to fraction form
    250,199.40/345,242.01 = 142,763.04/x
  3. Step 3: Cross multiply
    250,199.40x = 345,242.01 × 142,763.04
  4. Step 4: Simplify right side
    250,199.40x = 49,287,798,883.31
  5. Step 5: Solve for x
    x = 49,287,798,883.31/250,199.40
  6. Step 6: Final answer
    x = 196,994.07

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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.