Home / 120,425.34-180,643.77-58,148.22

Finding the Fourth Proportional to 120,425.34, 180,643.77 and 58,148.22

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Solution

The fourth proportional to 120,425.34, 180,643.77 and 58,148.22 is: 87,225.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,425.34 : 180,643.77 = 58,148.22 : x
  2. Step 2: Convert to fraction form
    120,425.34/180,643.77 = 58,148.22/x
  3. Step 3: Cross multiply
    120,425.34x = 180,643.77 × 58,148.22
  4. Step 4: Simplify right side
    120,425.34x = 10,504,113,679.59
  5. Step 5: Solve for x
    x = 10,504,113,679.59/120,425.34
  6. Step 6: Final answer
    x = 87,225.11

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1.5x scale

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.