Home / 190,938.52-286,488.78-102,169

Finding the Fourth Proportional to 190,938.52, 286,488.78 and 102,169

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Solution

The fourth proportional to 190,938.52, 286,488.78 and 102,169 is: 153,296.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,938.52 : 286,488.78 = 102,169 : x
  2. Step 2: Convert to fraction form
    190,938.52/286,488.78 = 102,169/x
  3. Step 3: Cross multiply
    190,938.52x = 286,488.78 × 102,169
  4. Step 4: Simplify right side
    190,938.52x = 29,270,272,163.82
  5. Step 5: Solve for x
    x = 29,270,272,163.82/190,938.52
  6. Step 6: Final answer
    x = 153,296.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.