Home / 236,148.54-354,275.42-86,385.51

Finding the Fourth Proportional to 236,148.54, 354,275.42 and 86,385.51

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Solution

The fourth proportional to 236,148.54, 354,275.42 and 86,385.51 is: 129,597.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,148.54 : 354,275.42 = 86,385.51 : x
  2. Step 2: Convert to fraction form
    236,148.54/354,275.42 = 86,385.51/x
  3. Step 3: Cross multiply
    236,148.54x = 354,275.42 × 86,385.51
  4. Step 4: Simplify right side
    236,148.54x = 30,604,262,837.16
  5. Step 5: Solve for x
    x = 30,604,262,837.16/236,148.54
  6. Step 6: Final answer
    x = 129,597.51

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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.