Home / 93,942.32-129,493.14-71,190.23

Finding the Fourth Proportional to 93,942.32, 129,493.14 and 71,190.23

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Solution

The fourth proportional to 93,942.32, 129,493.14 and 71,190.23 is: 98,130.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,942.32 : 129,493.14 = 71,190.23 : x
  2. Step 2: Convert to fraction form
    93,942.32/129,493.14 = 71,190.23/x
  3. Step 3: Cross multiply
    93,942.32x = 129,493.14 × 71,190.23
  4. Step 4: Simplify right side
    93,942.32x = 9,218,646,420.02
  5. Step 5: Solve for x
    x = 9,218,646,420.02/93,942.32
  6. Step 6: Final answer
    x = 98,130.92

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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.