Home / 94,352.34-130,233.72-56,138.64

Finding the Fourth Proportional to 94,352.34, 130,233.72 and 56,138.64

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Solution

The fourth proportional to 94,352.34, 130,233.72 and 56,138.64 is: 77,487.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,352.34 : 130,233.72 = 56,138.64 : x
  2. Step 2: Convert to fraction form
    94,352.34/130,233.72 = 56,138.64/x
  3. Step 3: Cross multiply
    94,352.34x = 130,233.72 × 56,138.64
  4. Step 4: Simplify right side
    94,352.34x = 7,311,143,922.94
  5. Step 5: Solve for x
    x = 7,311,143,922.94/94,352.34
  6. Step 6: Final answer
    x = 77,487.68

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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.