Home / 100,746.23-151,113.88-30,620.07

Finding the Fourth Proportional to 100,746.23, 151,113.88 and 30,620.07

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Solution

The fourth proportional to 100,746.23, 151,113.88 and 30,620.07 is: 45,928.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,746.23 : 151,113.88 = 30,620.07 : x
  2. Step 2: Convert to fraction form
    100,746.23/151,113.88 = 30,620.07/x
  3. Step 3: Cross multiply
    100,746.23x = 151,113.88 × 30,620.07
  4. Step 4: Simplify right side
    100,746.23x = 4,627,117,621.85
  5. Step 5: Solve for x
    x = 4,627,117,621.85/100,746.23
  6. Step 6: Final answer
    x = 45,928.45

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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.