Home / 152,987.45-211,062.21-88,444.81

Finding the Fourth Proportional to 152,987.45, 211,062.21 and 88,444.81

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Solution

The fourth proportional to 152,987.45, 211,062.21 and 88,444.81 is: 122,018.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,987.45 : 211,062.21 = 88,444.81 : x
  2. Step 2: Convert to fraction form
    152,987.45/211,062.21 = 88,444.81/x
  3. Step 3: Cross multiply
    152,987.45x = 211,062.21 × 88,444.81
  4. Step 4: Simplify right side
    152,987.45x = 18,667,356,993.79
  5. Step 5: Solve for x
    x = 18,667,356,993.79/152,987.45
  6. Step 6: Final answer
    x = 122,018.88

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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.