Home / 152,568.90-210,396.69-100,792.08

Finding the Fourth Proportional to 152,568.90, 210,396.69 and 100,792.08

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Solution

The fourth proportional to 152,568.90, 210,396.69 and 100,792.08 is: 138,995.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,568.90 : 210,396.69 = 100,792.08 : x
  2. Step 2: Convert to fraction form
    152,568.90/210,396.69 = 100,792.08/x
  3. Step 3: Cross multiply
    152,568.90x = 210,396.69 × 100,792.08
  4. Step 4: Simplify right side
    152,568.90x = 21,206,320,010.22
  5. Step 5: Solve for x
    x = 21,206,320,010.22/152,568.90
  6. Step 6: Final answer
    x = 138,995.04

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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.