Home / 133,491.50-184,238.88-76,130.95

Finding the Fourth Proportional to 133,491.50, 184,238.88 and 76,130.95

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Solution

The fourth proportional to 133,491.50, 184,238.88 and 76,130.95 is: 105,072.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,491.50 : 184,238.88 = 76,130.95 : x
  2. Step 2: Convert to fraction form
    133,491.50/184,238.88 = 76,130.95/x
  3. Step 3: Cross multiply
    133,491.50x = 184,238.88 × 76,130.95
  4. Step 4: Simplify right side
    133,491.50x = 14,026,280,961.34
  5. Step 5: Solve for x
    x = 14,026,280,961.34/133,491.50
  6. Step 6: Final answer
    x = 105,072.46

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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.