Home / 133,633.40-184,417.02-76,271.56

Finding the Fourth Proportional to 133,633.40, 184,417.02 and 76,271.56

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Solution

The fourth proportional to 133,633.40, 184,417.02 and 76,271.56 is: 105,256.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,633.40 : 184,417.02 = 76,271.56 : x
  2. Step 2: Convert to fraction form
    133,633.40/184,417.02 = 76,271.56/x
  3. Step 3: Cross multiply
    133,633.40x = 184,417.02 × 76,271.56
  4. Step 4: Simplify right side
    133,633.40x = 14,065,773,344.91
  5. Step 5: Solve for x
    x = 14,065,773,344.91/133,633.40
  6. Step 6: Final answer
    x = 105,256.42

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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.