Home / 145,211.20-217,233.60-125,706.40

Finding the Fourth Proportional to 145,211.20, 217,233.60 and 125,706.40

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Solution

The fourth proportional to 145,211.20, 217,233.60 and 125,706.40 is: 188,054.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,211.20 : 217,233.60 = 125,706.40 : x
  2. Step 2: Convert to fraction form
    145,211.20/217,233.60 = 125,706.40/x
  3. Step 3: Cross multiply
    145,211.20x = 217,233.60 × 125,706.40
  4. Step 4: Simplify right side
    145,211.20x = 27,307,653,815.04
  5. Step 5: Solve for x
    x = 27,307,653,815.04/145,211.20
  6. Step 6: Final answer
    x = 188,054.74

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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.