Home / 94,646.40-141,969.60-28,096.80

Finding the Fourth Proportional to 94,646.40, 141,969.60 and 28,096.80

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Solution

The fourth proportional to 94,646.40, 141,969.60 and 28,096.80 is: 42,145.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,646.40 : 141,969.60 = 28,096.80 : x
  2. Step 2: Convert to fraction form
    94,646.40/141,969.60 = 28,096.80/x
  3. Step 3: Cross multiply
    94,646.40x = 141,969.60 × 28,096.80
  4. Step 4: Simplify right side
    94,646.40x = 3,988,891,457.28
  5. Step 5: Solve for x
    x = 3,988,891,457.28/94,646.40
  6. Step 6: Final answer
    x = 42,145.20

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1.5x scale

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.