Home / 133,750.31-184,588.64-76,398.21

Finding the Fourth Proportional to 133,750.31, 184,588.64 and 76,398.21

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Solution

The fourth proportional to 133,750.31, 184,588.64 and 76,398.21 is: 105,437.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,750.31 : 184,588.64 = 76,398.21 : x
  2. Step 2: Convert to fraction form
    133,750.31/184,588.64 = 76,398.21/x
  3. Step 3: Cross multiply
    133,750.31x = 184,588.64 × 76,398.21
  4. Step 4: Simplify right side
    133,750.31x = 14,102,241,300.34
  5. Step 5: Solve for x
    x = 14,102,241,300.34/133,750.31
  6. Step 6: Final answer
    x = 105,437.07

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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.