Home / 157,701.03-217,594.93-90,620.07

Finding the Fourth Proportional to 157,701.03, 217,594.93 and 90,620.07

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Solution

The fourth proportional to 157,701.03, 217,594.93 and 90,620.07 is: 125,037.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,701.03 : 217,594.93 = 90,620.07 : x
  2. Step 2: Convert to fraction form
    157,701.03/217,594.93 = 90,620.07/x
  3. Step 3: Cross multiply
    157,701.03x = 217,594.93 × 90,620.07
  4. Step 4: Simplify right side
    157,701.03x = 19,718,467,788.25
  5. Step 5: Solve for x
    x = 19,718,467,788.25/157,701.03
  6. Step 6: Final answer
    x = 125,037.03

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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.