Home / 134,784.42-186,002.54-74,355.22

Finding the Fourth Proportional to 134,784.42, 186,002.54 and 74,355.22

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Solution

The fourth proportional to 134,784.42, 186,002.54 and 74,355.22 is: 102,610.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,784.42 : 186,002.54 = 74,355.22 : x
  2. Step 2: Convert to fraction form
    134,784.42/186,002.54 = 74,355.22/x
  3. Step 3: Cross multiply
    134,784.42x = 186,002.54 × 74,355.22
  4. Step 4: Simplify right side
    134,784.42x = 13,830,259,782.26
  5. Step 5: Solve for x
    x = 13,830,259,782.26/134,784.42
  6. Step 6: Final answer
    x = 102,610.23

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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.