Home / 112,728.69-155,211.51-95,697.63

Finding the Fourth Proportional to 112,728.69, 155,211.51 and 95,697.63

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Solution

The fourth proportional to 112,728.69, 155,211.51 and 95,697.63 is: 131,762.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,728.69 : 155,211.51 = 95,697.63 : x
  2. Step 2: Convert to fraction form
    112,728.69/155,211.51 = 95,697.63/x
  3. Step 3: Cross multiply
    112,728.69x = 155,211.51 × 95,697.63
  4. Step 4: Simplify right side
    112,728.69x = 14,853,373,655.72
  5. Step 5: Solve for x
    x = 14,853,373,655.72/112,728.69
  6. Step 6: Final answer
    x = 131,762.14

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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.