Home / 132,647.40-183,056.70-72,221.34

Finding the Fourth Proportional to 132,647.40, 183,056.70 and 72,221.34

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Solution

The fourth proportional to 132,647.40, 183,056.70 and 72,221.34 is: 99,667.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,647.40 : 183,056.70 = 72,221.34 : x
  2. Step 2: Convert to fraction form
    132,647.40/183,056.70 = 72,221.34/x
  3. Step 3: Cross multiply
    132,647.40x = 183,056.70 × 72,221.34
  4. Step 4: Simplify right side
    132,647.40x = 13,220,600,169.98
  5. Step 5: Solve for x
    x = 13,220,600,169.98/132,647.40
  6. Step 6: Final answer
    x = 99,667.24

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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.