Home / 156,803.65-235,074.15-109,279.33

Finding the Fourth Proportional to 156,803.65, 235,074.15 and 109,279.33

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Solution

The fourth proportional to 156,803.65, 235,074.15 and 109,279.33 is: 163,827.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,803.65 : 235,074.15 = 109,279.33 : x
  2. Step 2: Convert to fraction form
    156,803.65/235,074.15 = 109,279.33/x
  3. Step 3: Cross multiply
    156,803.65x = 235,074.15 × 109,279.33
  4. Step 4: Simplify right side
    156,803.65x = 25,688,745,024.63
  5. Step 5: Solve for x
    x = 25,688,745,024.63/156,803.65
  6. Step 6: Final answer
    x = 163,827.47

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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.