Home / 132,389.64-182,698.03-71,960.20

Finding the Fourth Proportional to 132,389.64, 182,698.03 and 71,960.20

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Solution

The fourth proportional to 132,389.64, 182,698.03 and 71,960.20 is: 99,305.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,389.64 : 182,698.03 = 71,960.20 : x
  2. Step 2: Convert to fraction form
    132,389.64/182,698.03 = 71,960.20/x
  3. Step 3: Cross multiply
    132,389.64x = 182,698.03 × 71,960.20
  4. Step 4: Simplify right side
    132,389.64x = 13,146,986,411.61
  5. Step 5: Solve for x
    x = 13,146,986,411.61/132,389.64
  6. Step 6: Final answer
    x = 99,305.25

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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.