Home / 145,211.79-200,336.26-107,062.08

Finding the Fourth Proportional to 145,211.79, 200,336.26 and 107,062.08

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Solution

The fourth proportional to 145,211.79, 200,336.26 and 107,062.08 is: 147,704.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,211.79 : 200,336.26 = 107,062.08 : x
  2. Step 2: Convert to fraction form
    145,211.79/200,336.26 = 107,062.08/x
  3. Step 3: Cross multiply
    145,211.79x = 200,336.26 × 107,062.08
  4. Step 4: Simplify right side
    145,211.79x = 21,448,416,741.40
  5. Step 5: Solve for x
    x = 21,448,416,741.40/145,211.79
  6. Step 6: Final answer
    x = 147,704.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.