Home / 126,090.24-174,014.96-72,385.64

Finding the Fourth Proportional to 126,090.24, 174,014.96 and 72,385.64

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Solution

The fourth proportional to 126,090.24, 174,014.96 and 72,385.64 is: 99,898.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,090.24 : 174,014.96 = 72,385.64 : x
  2. Step 2: Convert to fraction form
    126,090.24/174,014.96 = 72,385.64/x
  3. Step 3: Cross multiply
    126,090.24x = 174,014.96 × 72,385.64
  4. Step 4: Simplify right side
    126,090.24x = 12,596,184,249.17
  5. Step 5: Solve for x
    x = 12,596,184,249.17/126,090.24
  6. Step 6: Final answer
    x = 99,898.17

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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.