Home / 145,316.77-200,561.23-84,887.22

Finding the Fourth Proportional to 145,316.77, 200,561.23 and 84,887.22

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Solution

The fourth proportional to 145,316.77, 200,561.23 and 84,887.22 is: 117,158.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,316.77 : 200,561.23 = 84,887.22 : x
  2. Step 2: Convert to fraction form
    145,316.77/200,561.23 = 84,887.22/x
  3. Step 3: Cross multiply
    145,316.77x = 200,561.23 × 84,887.22
  4. Step 4: Simplify right side
    145,316.77x = 17,025,086,112.69
  5. Step 5: Solve for x
    x = 17,025,086,112.69/145,316.77
  6. Step 6: Final answer
    x = 117,158.44

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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.