Home / 208,210.96-287,331.11-116,330.26

Finding the Fourth Proportional to 208,210.96, 287,331.11 and 116,330.26

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Solution

The fourth proportional to 208,210.96, 287,331.11 and 116,330.26 is: 160,535.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,210.96 : 287,331.11 = 116,330.26 : x
  2. Step 2: Convert to fraction form
    208,210.96/287,331.11 = 116,330.26/x
  3. Step 3: Cross multiply
    208,210.96x = 287,331.11 × 116,330.26
  4. Step 4: Simplify right side
    208,210.96x = 33,425,302,732.39
  5. Step 5: Solve for x
    x = 33,425,302,732.39/208,210.96
  6. Step 6: Final answer
    x = 160,535.75

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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.