Home / 126,165.14-174,102.03-72,412.32

Finding the Fourth Proportional to 126,165.14, 174,102.03 and 72,412.32

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Solution

The fourth proportional to 126,165.14, 174,102.03 and 72,412.32 is: 99,925.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,165.14 : 174,102.03 = 72,412.32 : x
  2. Step 2: Convert to fraction form
    126,165.14/174,102.03 = 72,412.32/x
  3. Step 3: Cross multiply
    126,165.14x = 174,102.03 × 72,412.32
  4. Step 4: Simplify right side
    126,165.14x = 12,607,131,909.01
  5. Step 5: Solve for x
    x = 12,607,131,909.01/126,165.14
  6. Step 6: Final answer
    x = 99,925.64

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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.