Home / 256,059.04-384,095.58-69,070

Finding the Fourth Proportional to 256,059.04, 384,095.58 and 69,070

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Solution

The fourth proportional to 256,059.04, 384,095.58 and 69,070 is: 103,606.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,059.04 : 384,095.58 = 69,070 : x
  2. Step 2: Convert to fraction form
    256,059.04/384,095.58 = 69,070/x
  3. Step 3: Cross multiply
    256,059.04x = 384,095.58 × 69,070
  4. Step 4: Simplify right side
    256,059.04x = 26,529,481,710.60
  5. Step 5: Solve for x
    x = 26,529,481,710.60/256,059.04
  6. Step 6: Final answer
    x = 103,606.89

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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.