Home / 112,204.85-154,657.83-79,457.27

Finding the Fourth Proportional to 112,204.85, 154,657.83 and 79,457.27

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Solution

The fourth proportional to 112,204.85, 154,657.83 and 79,457.27 is: 109,520.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,204.85 : 154,657.83 = 79,457.27 : x
  2. Step 2: Convert to fraction form
    112,204.85/154,657.83 = 79,457.27/x
  3. Step 3: Cross multiply
    112,204.85x = 154,657.83 × 79,457.27
  4. Step 4: Simplify right side
    112,204.85x = 12,288,688,182.63
  5. Step 5: Solve for x
    x = 12,288,688,182.63/112,204.85
  6. Step 6: Final answer
    x = 109,520.12

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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.