Home / 106,725.83-147,302.33-68,533.65

Finding the Fourth Proportional to 106,725.83, 147,302.33 and 68,533.65

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Solution

The fourth proportional to 106,725.83, 147,302.33 and 68,533.65 is: 94,589.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,725.83 : 147,302.33 = 68,533.65 : x
  2. Step 2: Convert to fraction form
    106,725.83/147,302.33 = 68,533.65/x
  3. Step 3: Cross multiply
    106,725.83x = 147,302.33 × 68,533.65
  4. Step 4: Simplify right side
    106,725.83x = 10,095,165,985.74
  5. Step 5: Solve for x
    x = 10,095,165,985.74/106,725.83
  6. Step 6: Final answer
    x = 94,589.72

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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.