Home / 188,431.83-260,032.86-103,547.07

Finding the Fourth Proportional to 188,431.83, 260,032.86 and 103,547.07

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Solution

The fourth proportional to 188,431.83, 260,032.86 and 103,547.07 is: 142,893.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,431.83 : 260,032.86 = 103,547.07 : x
  2. Step 2: Convert to fraction form
    188,431.83/260,032.86 = 103,547.07/x
  3. Step 3: Cross multiply
    188,431.83x = 260,032.86 × 103,547.07
  4. Step 4: Simplify right side
    188,431.83x = 26,925,640,756.72
  5. Step 5: Solve for x
    x = 26,925,640,756.72/188,431.83
  6. Step 6: Final answer
    x = 142,893.27

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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.