Home / 132,514.32-182,873.10-72,088.36

Finding the Fourth Proportional to 132,514.32, 182,873.10 and 72,088.36

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Solution

The fourth proportional to 132,514.32, 182,873.10 and 72,088.36 is: 99,483.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,514.32 : 182,873.10 = 72,088.36 : x
  2. Step 2: Convert to fraction form
    132,514.32/182,873.10 = 72,088.36/x
  3. Step 3: Cross multiply
    132,514.32x = 182,873.10 × 72,088.36
  4. Step 4: Simplify right side
    132,514.32x = 13,183,021,867.12
  5. Step 5: Solve for x
    x = 13,183,021,867.12/132,514.32
  6. Step 6: Final answer
    x = 99,483.75

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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.