Home / 157,426.40-236,139.60-133,806.80

Finding the Fourth Proportional to 157,426.40, 236,139.60 and 133,806.80

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Solution

The fourth proportional to 157,426.40, 236,139.60 and 133,806.80 is: 200,710.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,426.40 : 236,139.60 = 133,806.80 : x
  2. Step 2: Convert to fraction form
    157,426.40/236,139.60 = 133,806.80/x
  3. Step 3: Cross multiply
    157,426.40x = 236,139.60 × 133,806.80
  4. Step 4: Simplify right side
    157,426.40x = 31,597,084,229.28
  5. Step 5: Solve for x
    x = 31,597,084,229.28/157,426.40
  6. Step 6: Final answer
    x = 200,710.20

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1.5x scale

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.