Home / 152,298.51-228,297.08-72,195.80

Finding the Fourth Proportional to 152,298.51, 228,297.08 and 72,195.80

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Solution

The fourth proportional to 152,298.51, 228,297.08 and 72,195.80 is: 108,222.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,298.51 : 228,297.08 = 72,195.80 : x
  2. Step 2: Convert to fraction form
    152,298.51/228,297.08 = 72,195.80/x
  3. Step 3: Cross multiply
    152,298.51x = 228,297.08 × 72,195.80
  4. Step 4: Simplify right side
    152,298.51x = 16,482,088,825.80
  5. Step 5: Solve for x
    x = 16,482,088,825.80/152,298.51
  6. Step 6: Final answer
    x = 108,222.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.