Home / 238,790.05-358,047.70-142,823.12

Finding the Fourth Proportional to 238,790.05, 358,047.70 and 142,823.12

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Solution

The fourth proportional to 238,790.05, 358,047.70 and 142,823.12 is: 214,152.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,790.05 : 358,047.70 = 142,823.12 : x
  2. Step 2: Convert to fraction form
    238,790.05/358,047.70 = 142,823.12/x
  3. Step 3: Cross multiply
    238,790.05x = 358,047.70 × 142,823.12
  4. Step 4: Simplify right side
    238,790.05x = 51,137,489,622.82
  5. Step 5: Solve for x
    x = 51,137,489,622.82/238,790.05
  6. Step 6: Final answer
    x = 214,152.51

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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.