Home / 459,058.71-688,533.21-122,124

Finding the Fourth Proportional to 459,058.71, 688,533.21 and 122,124

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Solution

The fourth proportional to 459,058.71, 688,533.21 and 122,124 is: 183,171.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,058.71 : 688,533.21 = 122,124 : x
  2. Step 2: Convert to fraction form
    459,058.71/688,533.21 = 122,124/x
  3. Step 3: Cross multiply
    459,058.71x = 688,533.21 × 122,124
  4. Step 4: Simplify right side
    459,058.71x = 84,086,429,738.04
  5. Step 5: Solve for x
    x = 84,086,429,738.04/459,058.71
  6. Step 6: Final answer
    x = 183,171.41

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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.