Home / 109,065.91-163,686.35-56,490.43

Finding the Fourth Proportional to 109,065.91, 163,686.35 and 56,490.43

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Solution

The fourth proportional to 109,065.91, 163,686.35 and 56,490.43 is: 84,780.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,065.91 : 163,686.35 = 56,490.43 : x
  2. Step 2: Convert to fraction form
    109,065.91/163,686.35 = 56,490.43/x
  3. Step 3: Cross multiply
    109,065.91x = 163,686.35 × 56,490.43
  4. Step 4: Simplify right side
    109,065.91x = 9,246,712,028.64
  5. Step 5: Solve for x
    x = 9,246,712,028.64/109,065.91
  6. Step 6: Final answer
    x = 84,780.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.