Home / 94,421.20-130,232.76-64,153.60

Finding the Fourth Proportional to 94,421.20, 130,232.76 and 64,153.60

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Solution

The fourth proportional to 94,421.20, 130,232.76 and 64,153.60 is: 88,485.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,421.20 : 130,232.76 = 64,153.60 : x
  2. Step 2: Convert to fraction form
    94,421.20/130,232.76 = 64,153.60/x
  3. Step 3: Cross multiply
    94,421.20x = 130,232.76 × 64,153.60
  4. Step 4: Simplify right side
    94,421.20x = 8,354,900,391.94
  5. Step 5: Solve for x
    x = 8,354,900,391.94/94,421.20
  6. Step 6: Final answer
    x = 88,485.43

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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.