Home / 248,168.51-372,318.36-129,808.07

Finding the Fourth Proportional to 248,168.51, 372,318.36 and 129,808.07

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Solution

The fourth proportional to 248,168.51, 372,318.36 and 129,808.07 is: 194,746.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,168.51 : 372,318.36 = 129,808.07 : x
  2. Step 2: Convert to fraction form
    248,168.51/372,318.36 = 129,808.07/x
  3. Step 3: Cross multiply
    248,168.51x = 372,318.36 × 129,808.07
  4. Step 4: Simplify right side
    248,168.51x = 48,329,925,875.57
  5. Step 5: Solve for x
    x = 48,329,925,875.57/248,168.51
  6. Step 6: Final answer
    x = 194,746.41

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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.