Home / 145,316.85-200,561.34-84,887.31

Finding the Fourth Proportional to 145,316.85, 200,561.34 and 84,887.31

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Solution

The fourth proportional to 145,316.85, 200,561.34 and 84,887.31 is: 117,158.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,316.85 : 200,561.34 = 84,887.31 : x
  2. Step 2: Convert to fraction form
    145,316.85/200,561.34 = 84,887.31/x
  3. Step 3: Cross multiply
    145,316.85x = 200,561.34 × 84,887.31
  4. Step 4: Simplify right side
    145,316.85x = 17,025,112,642.60
  5. Step 5: Solve for x
    x = 17,025,112,642.60/145,316.85
  6. Step 6: Final answer
    x = 117,158.56

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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.