Home / 126,165.23-174,102.16-72,412.41

Finding the Fourth Proportional to 126,165.23, 174,102.16 and 72,412.41

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Solution

The fourth proportional to 126,165.23, 174,102.16 and 72,412.41 is: 99,925.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,165.23 : 174,102.16 = 72,412.41 : x
  2. Step 2: Convert to fraction form
    126,165.23/174,102.16 = 72,412.41/x
  3. Step 3: Cross multiply
    126,165.23x = 174,102.16 × 72,412.41
  4. Step 4: Simplify right side
    126,165.23x = 12,607,157,599.43
  5. Step 5: Solve for x
    x = 12,607,157,599.43/126,165.23
  6. Step 6: Final answer
    x = 99,925.77

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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.