Home / 208,450.01-287,555.37-131,840.08

Finding the Fourth Proportional to 208,450.01, 287,555.37 and 131,840.08

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Solution

The fourth proportional to 208,450.01, 287,555.37 and 131,840.08 is: 181,872.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,450.01 : 287,555.37 = 131,840.08 : x
  2. Step 2: Convert to fraction form
    208,450.01/287,555.37 = 131,840.08/x
  3. Step 3: Cross multiply
    208,450.01x = 287,555.37 × 131,840.08
  4. Step 4: Simplify right side
    208,450.01x = 37,911,323,693.09
  5. Step 5: Solve for x
    x = 37,911,323,693.09/208,450.01
  6. Step 6: Final answer
    x = 181,872.50

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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.