Home / 132,368.21-182,669.54-71,938.85

Finding the Fourth Proportional to 132,368.21, 182,669.54 and 71,938.85

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Solution

The fourth proportional to 132,368.21, 182,669.54 and 71,938.85 is: 99,276.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,368.21 : 182,669.54 = 71,938.85 : x
  2. Step 2: Convert to fraction form
    132,368.21/182,669.54 = 71,938.85/x
  3. Step 3: Cross multiply
    132,368.21x = 182,669.54 × 71,938.85
  4. Step 4: Simplify right side
    132,368.21x = 13,141,035,364.59
  5. Step 5: Solve for x
    x = 13,141,035,364.59/132,368.21
  6. Step 6: Final answer
    x = 99,276.37

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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.