Home / 118,477.49-163,339.13-75,962.21

Finding the Fourth Proportional to 118,477.49, 163,339.13 and 75,962.21

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Solution

The fourth proportional to 118,477.49, 163,339.13 and 75,962.21 is: 104,725.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,477.49 : 163,339.13 = 75,962.21 : x
  2. Step 2: Convert to fraction form
    118,477.49/163,339.13 = 75,962.21/x
  3. Step 3: Cross multiply
    118,477.49x = 163,339.13 × 75,962.21
  4. Step 4: Simplify right side
    118,477.49x = 12,407,600,667.49
  5. Step 5: Solve for x
    x = 12,407,600,667.49/118,477.49
  6. Step 6: Final answer
    x = 104,725.39

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1.5x scale

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.