Home / 112,391.21-168,549.75-37,490.72

Finding the Fourth Proportional to 112,391.21, 168,549.75 and 37,490.72

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Solution

The fourth proportional to 112,391.21, 168,549.75 and 37,490.72 is: 56,223.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,391.21 : 168,549.75 = 37,490.72 : x
  2. Step 2: Convert to fraction form
    112,391.21/168,549.75 = 37,490.72/x
  3. Step 3: Cross multiply
    112,391.21x = 168,549.75 × 37,490.72
  4. Step 4: Simplify right side
    112,391.21x = 6,319,050,640.57
  5. Step 5: Solve for x
    x = 6,319,050,640.57/112,391.21
  6. Step 6: Final answer
    x = 56,223.71

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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.