Home / 103,624.74-143,007.39-61,182.36

Finding the Fourth Proportional to 103,624.74, 143,007.39 and 61,182.36

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Solution

The fourth proportional to 103,624.74, 143,007.39 and 61,182.36 is: 84,434.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,624.74 : 143,007.39 = 61,182.36 : x
  2. Step 2: Convert to fraction form
    103,624.74/143,007.39 = 61,182.36/x
  3. Step 3: Cross multiply
    103,624.74x = 143,007.39 × 61,182.36
  4. Step 4: Simplify right side
    103,624.74x = 8,749,529,617.64
  5. Step 5: Solve for x
    x = 8,749,529,617.64/103,624.74
  6. Step 6: Final answer
    x = 84,434.76

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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.