Home / 133,829.40-184,636.63-76,427.34

Finding the Fourth Proportional to 133,829.40, 184,636.63 and 76,427.34

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Solution

The fourth proportional to 133,829.40, 184,636.63 and 76,427.34 is: 105,442.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,829.40 : 184,636.63 = 76,427.34 : x
  2. Step 2: Convert to fraction form
    133,829.40/184,636.63 = 76,427.34/x
  3. Step 3: Cross multiply
    133,829.40x = 184,636.63 × 76,427.34
  4. Step 4: Simplify right side
    133,829.40x = 14,111,286,497.46
  5. Step 5: Solve for x
    x = 14,111,286,497.46/133,829.40
  6. Step 6: Final answer
    x = 105,442.35

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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.