Home / 142,261.04-213,403.86-37,080

Finding the Fourth Proportional to 142,261.04, 213,403.86 and 37,080

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Solution

The fourth proportional to 142,261.04, 213,403.86 and 37,080 is: 55,623.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,261.04 : 213,403.86 = 37,080 : x
  2. Step 2: Convert to fraction form
    142,261.04/213,403.86 = 37,080/x
  3. Step 3: Cross multiply
    142,261.04x = 213,403.86 × 37,080
  4. Step 4: Simplify right side
    142,261.04x = 7,913,015,128.80
  5. Step 5: Solve for x
    x = 7,913,015,128.80/142,261.04
  6. Step 6: Final answer
    x = 55,623.21

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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.