Home / 103,810.41-143,258.36-56,063.76

Finding the Fourth Proportional to 103,810.41, 143,258.36 and 56,063.76

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Solution

The fourth proportional to 103,810.41, 143,258.36 and 56,063.76 is: 77,367.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,810.41 : 143,258.36 = 56,063.76 : x
  2. Step 2: Convert to fraction form
    103,810.41/143,258.36 = 56,063.76/x
  3. Step 3: Cross multiply
    103,810.41x = 143,258.36 × 56,063.76
  4. Step 4: Simplify right side
    103,810.41x = 8,031,602,032.71
  5. Step 5: Solve for x
    x = 8,031,602,032.71/103,810.41
  6. Step 6: Final answer
    x = 77,367.98

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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.