Home / 133,361.40-184,056.14-76,775.16

Finding the Fourth Proportional to 133,361.40, 184,056.14 and 76,775.16

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Solution

The fourth proportional to 133,361.40, 184,056.14 and 76,775.16 is: 105,959.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,361.40 : 184,056.14 = 76,775.16 : x
  2. Step 2: Convert to fraction form
    133,361.40/184,056.14 = 76,775.16/x
  3. Step 3: Cross multiply
    133,361.40x = 184,056.14 × 76,775.16
  4. Step 4: Simplify right side
    133,361.40x = 14,130,939,597.48
  5. Step 5: Solve for x
    x = 14,130,939,597.48/133,361.40
  6. Step 6: Final answer
    x = 105,959.74

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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.