Home / 145,588.26-201,021.30-143,263.20

Finding the Fourth Proportional to 145,588.26, 201,021.30 and 143,263.20

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Solution

The fourth proportional to 145,588.26, 201,021.30 and 143,263.20 is: 197,810.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,588.26 : 201,021.30 = 143,263.20 : x
  2. Step 2: Convert to fraction form
    145,588.26/201,021.30 = 143,263.20/x
  3. Step 3: Cross multiply
    145,588.26x = 201,021.30 × 143,263.20
  4. Step 4: Simplify right side
    145,588.26x = 28,798,954,706.16
  5. Step 5: Solve for x
    x = 28,798,954,706.16/145,588.26
  6. Step 6: Final answer
    x = 197,810.97

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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.