Home / 90,862.55-136,219.29-40,927.67

Finding the Fourth Proportional to 90,862.55, 136,219.29 and 40,927.67

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Solution

The fourth proportional to 90,862.55, 136,219.29 and 40,927.67 is: 61,357.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,862.55 : 136,219.29 = 40,927.67 : x
  2. Step 2: Convert to fraction form
    90,862.55/136,219.29 = 40,927.67/x
  3. Step 3: Cross multiply
    90,862.55x = 136,219.29 × 40,927.67
  4. Step 4: Simplify right side
    90,862.55x = 5,575,137,467.66
  5. Step 5: Solve for x
    x = 5,575,137,467.66/90,862.55
  6. Step 6: Final answer
    x = 61,357.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.