Home / 155,513.26-214,711.59-119,639.98

Finding the Fourth Proportional to 155,513.26, 214,711.59 and 119,639.98

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Solution

The fourth proportional to 155,513.26, 214,711.59 and 119,639.98 is: 165,182.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,513.26 : 214,711.59 = 119,639.98 : x
  2. Step 2: Convert to fraction form
    155,513.26/214,711.59 = 119,639.98/x
  3. Step 3: Cross multiply
    155,513.26x = 214,711.59 × 119,639.98
  4. Step 4: Simplify right side
    155,513.26x = 25,688,090,333.37
  5. Step 5: Solve for x
    x = 25,688,090,333.37/155,513.26
  6. Step 6: Final answer
    x = 165,182.64

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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.