Home / 157,919.04-217,907.28-101,406.96

Finding the Fourth Proportional to 157,919.04, 217,907.28 and 101,406.96

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Solution

The fourth proportional to 157,919.04, 217,907.28 and 101,406.96 is: 139,928.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,919.04 : 217,907.28 = 101,406.96 : x
  2. Step 2: Convert to fraction form
    157,919.04/217,907.28 = 101,406.96/x
  3. Step 3: Cross multiply
    157,919.04x = 217,907.28 × 101,406.96
  4. Step 4: Simplify right side
    157,919.04x = 22,097,314,826.67
  5. Step 5: Solve for x
    x = 22,097,314,826.67/157,919.04
  6. Step 6: Final answer
    x = 139,928.12

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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.