Home / 132,448.58-182,776.45-72,018.69

Finding the Fourth Proportional to 132,448.58, 182,776.45 and 72,018.69

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Solution

The fourth proportional to 132,448.58, 182,776.45 and 72,018.69 is: 99,384.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,448.58 : 182,776.45 = 72,018.69 : x
  2. Step 2: Convert to fraction form
    132,448.58/182,776.45 = 72,018.69/x
  3. Step 3: Cross multiply
    132,448.58x = 182,776.45 × 72,018.69
  4. Step 4: Simplify right side
    132,448.58x = 13,163,320,311.80
  5. Step 5: Solve for x
    x = 13,163,320,311.80/132,448.58
  6. Step 6: Final answer
    x = 99,384.39

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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.