Home / 152,176.68-210,003.66-85,108.68

Finding the Fourth Proportional to 152,176.68, 210,003.66 and 85,108.68

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Solution

The fourth proportional to 152,176.68, 210,003.66 and 85,108.68 is: 117,449.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,176.68 : 210,003.66 = 85,108.68 : x
  2. Step 2: Convert to fraction form
    152,176.68/210,003.66 = 85,108.68/x
  3. Step 3: Cross multiply
    152,176.68x = 210,003.66 × 85,108.68
  4. Step 4: Simplify right side
    152,176.68x = 17,873,134,297.77
  5. Step 5: Solve for x
    x = 17,873,134,297.77/152,176.68
  6. Step 6: Final answer
    x = 117,449.89

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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.