Home / 153,379.40-211,661.55-88,857.42

Finding the Fourth Proportional to 153,379.40, 211,661.55 and 88,857.42

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Solution

The fourth proportional to 153,379.40, 211,661.55 and 88,857.42 is: 122,622.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,379.40 : 211,661.55 = 88,857.42 : x
  2. Step 2: Convert to fraction form
    153,379.40/211,661.55 = 88,857.42/x
  3. Step 3: Cross multiply
    153,379.40x = 211,661.55 × 88,857.42
  4. Step 4: Simplify right side
    153,379.40x = 18,807,699,246.20
  5. Step 5: Solve for x
    x = 18,807,699,246.20/153,379.40
  6. Step 6: Final answer
    x = 122,622.07

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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.