Home / 126,752.63-190,315.85-70,702.25

Finding the Fourth Proportional to 126,752.63, 190,315.85 and 70,702.25

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Solution

The fourth proportional to 126,752.63, 190,315.85 and 70,702.25 is: 106,157.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,752.63 : 190,315.85 = 70,702.25 : x
  2. Step 2: Convert to fraction form
    126,752.63/190,315.85 = 70,702.25/x
  3. Step 3: Cross multiply
    126,752.63x = 190,315.85 × 70,702.25
  4. Step 4: Simplify right side
    126,752.63x = 13,455,757,500.57
  5. Step 5: Solve for x
    x = 13,455,757,500.57/126,752.63
  6. Step 6: Final answer
    x = 106,157.62

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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.