Home / 155,543.64-233,313.93-71,279.91

Finding the Fourth Proportional to 155,543.64, 233,313.93 and 71,279.91

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Solution

The fourth proportional to 155,543.64, 233,313.93 and 71,279.91 is: 106,919.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,543.64 : 233,313.93 = 71,279.91 : x
  2. Step 2: Convert to fraction form
    155,543.64/233,313.93 = 71,279.91/x
  3. Step 3: Cross multiply
    155,543.64x = 233,313.93 × 71,279.91
  4. Step 4: Simplify right side
    155,543.64x = 16,630,595,932.15
  5. Step 5: Solve for x
    x = 16,630,595,932.15/155,543.64
  6. Step 6: Final answer
    x = 106,919.16

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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.