Home / 112,895.91-169,322.27-56,720.45

Finding the Fourth Proportional to 112,895.91, 169,322.27 and 56,720.45

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Solution

The fourth proportional to 112,895.91, 169,322.27 and 56,720.45 is: 85,069.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,895.91 : 169,322.27 = 56,720.45 : x
  2. Step 2: Convert to fraction form
    112,895.91/169,322.27 = 56,720.45/x
  3. Step 3: Cross multiply
    112,895.91x = 169,322.27 × 56,720.45
  4. Step 4: Simplify right side
    112,895.91x = 9,604,035,489.12
  5. Step 5: Solve for x
    x = 9,604,035,489.12/112,895.91
  6. Step 6: Final answer
    x = 85,069.83

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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.