Home / 152,190.60-210,062.89-87,667.26

Finding the Fourth Proportional to 152,190.60, 210,062.89 and 87,667.26

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Solution

The fourth proportional to 152,190.60, 210,062.89 and 87,667.26 is: 121,003.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,190.60 : 210,062.89 = 87,667.26 : x
  2. Step 2: Convert to fraction form
    152,190.60/210,062.89 = 87,667.26/x
  3. Step 3: Cross multiply
    152,190.60x = 210,062.89 × 87,667.26
  4. Step 4: Simplify right side
    152,190.60x = 18,415,637,993.98
  5. Step 5: Solve for x
    x = 18,415,637,993.98/152,190.60
  6. Step 6: Final answer
    x = 121,003.78

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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.