Home / 132,818.42-183,284.07-72,387.77

Finding the Fourth Proportional to 132,818.42, 183,284.07 and 72,387.77

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Solution

The fourth proportional to 132,818.42, 183,284.07 and 72,387.77 is: 99,892.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,818.42 : 183,284.07 = 72,387.77 : x
  2. Step 2: Convert to fraction form
    132,818.42/183,284.07 = 72,387.77/x
  3. Step 3: Cross multiply
    132,818.42x = 183,284.07 × 72,387.77
  4. Step 4: Simplify right side
    132,818.42x = 13,267,524,187.40
  5. Step 5: Solve for x
    x = 13,267,524,187.40/132,818.42
  6. Step 6: Final answer
    x = 99,892.20

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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.