Home / 132,415.50-182,734.56-71,986.26

Finding the Fourth Proportional to 132,415.50, 182,734.56 and 71,986.26

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Solution

The fourth proportional to 132,415.50, 182,734.56 and 71,986.26 is: 99,341.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,415.50 : 182,734.56 = 71,986.26 : x
  2. Step 2: Convert to fraction form
    132,415.50/182,734.56 = 71,986.26/x
  3. Step 3: Cross multiply
    132,415.50x = 182,734.56 × 71,986.26
  4. Step 4: Simplify right side
    132,415.50x = 13,154,377,547.15
  5. Step 5: Solve for x
    x = 13,154,377,547.15/132,415.50
  6. Step 6: Final answer
    x = 99,341.67

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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.