Home / 134,448.48-185,539.68-74,019.36

Finding the Fourth Proportional to 134,448.48, 185,539.68 and 74,019.36

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Solution

The fourth proportional to 134,448.48, 185,539.68 and 74,019.36 is: 102,147.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,448.48 : 185,539.68 = 74,019.36 : x
  2. Step 2: Convert to fraction form
    134,448.48/185,539.68 = 74,019.36/x
  3. Step 3: Cross multiply
    134,448.48x = 185,539.68 × 74,019.36
  4. Step 4: Simplify right side
    134,448.48x = 13,733,528,368.20
  5. Step 5: Solve for x
    x = 13,733,528,368.20/134,448.48
  6. Step 6: Final answer
    x = 102,147.14

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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.