Home / 112,272.78-168,395.52-70,156.62

Finding the Fourth Proportional to 112,272.78, 168,395.52 and 70,156.62

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Solution

The fourth proportional to 112,272.78, 168,395.52 and 70,156.62 is: 105,226.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,272.78 : 168,395.52 = 70,156.62 : x
  2. Step 2: Convert to fraction form
    112,272.78/168,395.52 = 70,156.62/x
  3. Step 3: Cross multiply
    112,272.78x = 168,395.52 × 70,156.62
  4. Step 4: Simplify right side
    112,272.78x = 11,814,060,506.34
  5. Step 5: Solve for x
    x = 11,814,060,506.34/112,272.78
  6. Step 6: Final answer
    x = 105,226.40

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1.5x scale

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.