Home / 120,334.32-180,667.12-61,210

Finding the Fourth Proportional to 120,334.32, 180,667.12 and 61,210

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Solution

The fourth proportional to 120,334.32, 180,667.12 and 61,210 is: 91,899.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,334.32 : 180,667.12 = 61,210 : x
  2. Step 2: Convert to fraction form
    120,334.32/180,667.12 = 61,210/x
  3. Step 3: Cross multiply
    120,334.32x = 180,667.12 × 61,210
  4. Step 4: Simplify right side
    120,334.32x = 11,058,634,415.20
  5. Step 5: Solve for x
    x = 11,058,634,415.20/120,334.32
  6. Step 6: Final answer
    x = 91,899.26

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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.