Home / 145,729.22-218,551.91-61,508.36

Finding the Fourth Proportional to 145,729.22, 218,551.91 and 61,508.36

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Solution

The fourth proportional to 145,729.22, 218,551.91 and 61,508.36 is: 92,244.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,729.22 : 218,551.91 = 61,508.36 : x
  2. Step 2: Convert to fraction form
    145,729.22/218,551.91 = 61,508.36/x
  3. Step 3: Cross multiply
    145,729.22x = 218,551.91 × 61,508.36
  4. Step 4: Simplify right side
    145,729.22x = 13,442,768,466.21
  5. Step 5: Solve for x
    x = 13,442,768,466.21/145,729.22
  6. Step 6: Final answer
    x = 92,244.84

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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.