Home / 121,840.04-182,760.05-80,277.32

Finding the Fourth Proportional to 121,840.04, 182,760.05 and 80,277.32

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Solution

The fourth proportional to 121,840.04, 182,760.05 and 80,277.32 is: 120,415.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,840.04 : 182,760.05 = 80,277.32 : x
  2. Step 2: Convert to fraction form
    121,840.04/182,760.05 = 80,277.32/x
  3. Step 3: Cross multiply
    121,840.04x = 182,760.05 × 80,277.32
  4. Step 4: Simplify right side
    121,840.04x = 14,671,486,303.96
  5. Step 5: Solve for x
    x = 14,671,486,303.96/121,840.04
  6. Step 6: Final answer
    x = 120,415.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.