Home / 135,256.08-186,637.25-74,818.52

Finding the Fourth Proportional to 135,256.08, 186,637.25 and 74,818.52

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Solution

The fourth proportional to 135,256.08, 186,637.25 and 74,818.52 is: 103,240.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,256.08 : 186,637.25 = 74,818.52 : x
  2. Step 2: Convert to fraction form
    135,256.08/186,637.25 = 74,818.52/x
  3. Step 3: Cross multiply
    135,256.08x = 186,637.25 × 74,818.52
  4. Step 4: Simplify right side
    135,256.08x = 13,963,923,457.78
  5. Step 5: Solve for x
    x = 13,963,923,457.78/135,256.08
  6. Step 6: Final answer
    x = 103,240.64

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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.