Home / 118,564.43-163,624.16-68,279.63

Finding the Fourth Proportional to 118,564.43, 163,624.16 and 68,279.63

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Solution

The fourth proportional to 118,564.43, 163,624.16 and 68,279.63 is: 94,228.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,564.43 : 163,624.16 = 68,279.63 : x
  2. Step 2: Convert to fraction form
    118,564.43/163,624.16 = 68,279.63/x
  3. Step 3: Cross multiply
    118,564.43x = 163,624.16 × 68,279.63
  4. Step 4: Simplify right side
    118,564.43x = 11,172,196,762.46
  5. Step 5: Solve for x
    x = 11,172,196,762.46/118,564.43
  6. Step 6: Final answer
    x = 94,228.91

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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.