Home / 152,228.10-210,159.24-91,813.98

Finding the Fourth Proportional to 152,228.10, 210,159.24 and 91,813.98

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Solution

The fourth proportional to 152,228.10, 210,159.24 and 91,813.98 is: 126,754.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,228.10 : 210,159.24 = 91,813.98 : x
  2. Step 2: Convert to fraction form
    152,228.10/210,159.24 = 91,813.98/x
  3. Step 3: Cross multiply
    152,228.10x = 210,159.24 × 91,813.98
  4. Step 4: Simplify right side
    152,228.10x = 19,295,556,258.18
  5. Step 5: Solve for x
    x = 19,295,556,258.18/152,228.10
  6. Step 6: Final answer
    x = 126,754.23

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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.