Home / 152,423.94-210,325.09-87,895.56

Finding the Fourth Proportional to 152,423.94, 210,325.09 and 87,895.56

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Solution

The fourth proportional to 152,423.94, 210,325.09 and 87,895.56 is: 121,284.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,423.94 : 210,325.09 = 87,895.56 : x
  2. Step 2: Convert to fraction form
    152,423.94/210,325.09 = 87,895.56/x
  3. Step 3: Cross multiply
    152,423.94x = 210,325.09 × 87,895.56
  4. Step 4: Simplify right side
    152,423.94x = 18,486,641,567.60
  5. Step 5: Solve for x
    x = 18,486,641,567.60/152,423.94
  6. Step 6: Final answer
    x = 121,284.37

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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.