Home / 154,835.56-213,594.27-101,152

Finding the Fourth Proportional to 154,835.56, 213,594.27 and 101,152

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Solution

The fourth proportional to 154,835.56, 213,594.27 and 101,152 is: 139,538.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,835.56 : 213,594.27 = 101,152 : x
  2. Step 2: Convert to fraction form
    154,835.56/213,594.27 = 101,152/x
  3. Step 3: Cross multiply
    154,835.56x = 213,594.27 × 101,152
  4. Step 4: Simplify right side
    154,835.56x = 21,605,487,599.04
  5. Step 5: Solve for x
    x = 21,605,487,599.04/154,835.56
  6. Step 6: Final answer
    x = 139,538.28

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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.