Home / 136,423.09-188,256.51-75,167.23

Finding the Fourth Proportional to 136,423.09, 188,256.51 and 75,167.23

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Solution

The fourth proportional to 136,423.09, 188,256.51 and 75,167.23 is: 103,726.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,423.09 : 188,256.51 = 75,167.23 : x
  2. Step 2: Convert to fraction form
    136,423.09/188,256.51 = 75,167.23/x
  3. Step 3: Cross multiply
    136,423.09x = 188,256.51 × 75,167.23
  4. Step 4: Simplify right side
    136,423.09x = 14,150,720,386.17
  5. Step 5: Solve for x
    x = 14,150,720,386.17/136,423.09
  6. Step 6: Final answer
    x = 103,726.73

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1.5x scale

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.