Home / 103,624.40-143,001.88-61,185.64

Finding the Fourth Proportional to 103,624.40, 143,001.88 and 61,185.64

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Solution

The fourth proportional to 103,624.40, 143,001.88 and 61,185.64 is: 84,436.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,624.40 : 143,001.88 = 61,185.64 : x
  2. Step 2: Convert to fraction form
    103,624.40/143,001.88 = 61,185.64/x
  3. Step 3: Cross multiply
    103,624.40x = 143,001.88 × 61,185.64
  4. Step 4: Simplify right side
    103,624.40x = 8,749,661,549.00
  5. Step 5: Solve for x
    x = 8,749,661,549.00/103,624.40
  6. Step 6: Final answer
    x = 84,436.31

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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.