Home / 126,089.23-174,013.58-72,384.64

Finding the Fourth Proportional to 126,089.23, 174,013.58 and 72,384.64

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Solution

The fourth proportional to 126,089.23, 174,013.58 and 72,384.64 is: 99,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,089.23 : 174,013.58 = 72,384.64 : x
  2. Step 2: Convert to fraction form
    126,089.23/174,013.58 = 72,384.64/x
  3. Step 3: Cross multiply
    126,089.23x = 174,013.58 × 72,384.64
  4. Step 4: Simplify right side
    126,089.23x = 12,595,910,343.41
  5. Step 5: Solve for x
    x = 12,595,910,343.41/126,089.23
  6. Step 6: Final answer
    x = 99,896.80

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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.