Home / 132,267.18-182,530.04-71,838.40

Finding the Fourth Proportional to 132,267.18, 182,530.04 and 71,838.40

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Solution

The fourth proportional to 132,267.18, 182,530.04 and 71,838.40 is: 99,137.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,267.18 : 182,530.04 = 71,838.40 : x
  2. Step 2: Convert to fraction form
    132,267.18/182,530.04 = 71,838.40/x
  3. Step 3: Cross multiply
    132,267.18x = 182,530.04 × 71,838.40
  4. Step 4: Simplify right side
    132,267.18x = 13,112,666,025.54
  5. Step 5: Solve for x
    x = 13,112,666,025.54/132,267.18
  6. Step 6: Final answer
    x = 99,137.72

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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.