Home / 152,715.57-210,772.76-84,754.37

Finding the Fourth Proportional to 152,715.57, 210,772.76 and 84,754.37

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Solution

The fourth proportional to 152,715.57, 210,772.76 and 84,754.37 is: 116,975.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,715.57 : 210,772.76 = 84,754.37 : x
  2. Step 2: Convert to fraction form
    152,715.57/210,772.76 = 84,754.37/x
  3. Step 3: Cross multiply
    152,715.57x = 210,772.76 × 84,754.37
  4. Step 4: Simplify right side
    152,715.57x = 17,863,912,171.92
  5. Step 5: Solve for x
    x = 17,863,912,171.92/152,715.57
  6. Step 6: Final answer
    x = 116,975.06

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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.