Home / 153,148.30-211,313.69-89,473.80

Finding the Fourth Proportional to 153,148.30, 211,313.69 and 89,473.80

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Solution

The fourth proportional to 153,148.30, 211,313.69 and 89,473.80 is: 123,455.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,148.30 : 211,313.69 = 89,473.80 : x
  2. Step 2: Convert to fraction form
    153,148.30/211,313.69 = 89,473.80/x
  3. Step 3: Cross multiply
    153,148.30x = 211,313.69 × 89,473.80
  4. Step 4: Simplify right side
    153,148.30x = 18,907,037,932.05
  5. Step 5: Solve for x
    x = 18,907,037,932.05/153,148.30
  6. Step 6: Final answer
    x = 123,455.75

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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.