Home / 112,861.49-155,750.58-67,541.45

Finding the Fourth Proportional to 112,861.49, 155,750.58 and 67,541.45

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Solution

The fourth proportional to 112,861.49, 155,750.58 and 67,541.45 is: 93,208.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,861.49 : 155,750.58 = 67,541.45 : x
  2. Step 2: Convert to fraction form
    112,861.49/155,750.58 = 67,541.45/x
  3. Step 3: Cross multiply
    112,861.49x = 155,750.58 × 67,541.45
  4. Step 4: Simplify right side
    112,861.49x = 10,519,619,232.79
  5. Step 5: Solve for x
    x = 10,519,619,232.79/112,861.49
  6. Step 6: Final answer
    x = 93,208.23

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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.