Home / 210,150.38-290,007.53-134,698.88

Finding the Fourth Proportional to 210,150.38, 290,007.53 and 134,698.88

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Solution

The fourth proportional to 210,150.38, 290,007.53 and 134,698.88 is: 185,884.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,150.38 : 290,007.53 = 134,698.88 : x
  2. Step 2: Convert to fraction form
    210,150.38/290,007.53 = 134,698.88/x
  3. Step 3: Cross multiply
    210,150.38x = 290,007.53 × 134,698.88
  4. Step 4: Simplify right side
    210,150.38x = 39,063,687,359.03
  5. Step 5: Solve for x
    x = 39,063,687,359.03/210,150.38
  6. Step 6: Final answer
    x = 185,884.45

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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.