Home / 152,415.81-210,436.47-95,142.33

Finding the Fourth Proportional to 152,415.81, 210,436.47 and 95,142.33

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Solution

The fourth proportional to 152,415.81, 210,436.47 and 95,142.33 is: 131,360.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,415.81 : 210,436.47 = 95,142.33 : x
  2. Step 2: Convert to fraction form
    152,415.81/210,436.47 = 95,142.33/x
  3. Step 3: Cross multiply
    152,415.81x = 210,436.47 × 95,142.33
  4. Step 4: Simplify right side
    152,415.81x = 20,021,416,072.78
  5. Step 5: Solve for x
    x = 20,021,416,072.78/152,415.81
  6. Step 6: Final answer
    x = 131,360.49

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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.