Home / 103,810.29-143,258.19-56,063.65

Finding the Fourth Proportional to 103,810.29, 143,258.19 and 56,063.65

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Solution

The fourth proportional to 103,810.29, 143,258.19 and 56,063.65 is: 77,367.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,810.29 : 143,258.19 = 56,063.65 : x
  2. Step 2: Convert to fraction form
    103,810.29/143,258.19 = 56,063.65/x
  3. Step 3: Cross multiply
    103,810.29x = 143,258.19 × 56,063.65
  4. Step 4: Simplify right side
    103,810.29x = 8,031,577,023.79
  5. Step 5: Solve for x
    x = 8,031,577,023.79/103,810.29
  6. Step 6: Final answer
    x = 77,367.83

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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.