Home / 112,160.43-168,319.55-101,440.72

Finding the Fourth Proportional to 112,160.43, 168,319.55 and 101,440.72

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Solution

The fourth proportional to 112,160.43, 168,319.55 and 101,440.72 is: 152,232.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,160.43 : 168,319.55 = 101,440.72 : x
  2. Step 2: Convert to fraction form
    112,160.43/168,319.55 = 101,440.72/x
  3. Step 3: Cross multiply
    112,160.43x = 168,319.55 × 101,440.72
  4. Step 4: Simplify right side
    112,160.43x = 17,074,456,342.08
  5. Step 5: Solve for x
    x = 17,074,456,342.08/112,160.43
  6. Step 6: Final answer
    x = 152,232.44

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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.