Home / 152,987.82-211,064.19-112,797.18

Finding the Fourth Proportional to 152,987.82, 211,064.19 and 112,797.18

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Solution

The fourth proportional to 152,987.82, 211,064.19 and 112,797.18 is: 155,616.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,987.82 : 211,064.19 = 112,797.18 : x
  2. Step 2: Convert to fraction form
    152,987.82/211,064.19 = 112,797.18/x
  3. Step 3: Cross multiply
    152,987.82x = 211,064.19 × 112,797.18
  4. Step 4: Simplify right side
    152,987.82x = 23,807,445,430.98
  5. Step 5: Solve for x
    x = 23,807,445,430.98/152,987.82
  6. Step 6: Final answer
    x = 155,616.61

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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.