Home / 145,243.97-199,973.31-122,526.51

Finding the Fourth Proportional to 145,243.97, 199,973.31 and 122,526.51

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Solution

The fourth proportional to 145,243.97, 199,973.31 and 122,526.51 is: 168,695.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,243.97 : 199,973.31 = 122,526.51 : x
  2. Step 2: Convert to fraction form
    145,243.97/199,973.31 = 122,526.51/x
  3. Step 3: Cross multiply
    145,243.97x = 199,973.31 × 122,526.51
  4. Step 4: Simplify right side
    145,243.97x = 24,502,030,558.07
  5. Step 5: Solve for x
    x = 24,502,030,558.07/145,243.97
  6. Step 6: Final answer
    x = 168,695.68

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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.