Home / 133,077.32-183,670.50-79,365.80

Finding the Fourth Proportional to 133,077.32, 183,670.50 and 79,365.80

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Solution

The fourth proportional to 133,077.32, 183,670.50 and 79,365.80 is: 109,539.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,077.32 : 183,670.50 = 79,365.80 : x
  2. Step 2: Convert to fraction form
    133,077.32/183,670.50 = 79,365.80/x
  3. Step 3: Cross multiply
    133,077.32x = 183,670.50 × 79,365.80
  4. Step 4: Simplify right side
    133,077.32x = 14,577,156,168.90
  5. Step 5: Solve for x
    x = 14,577,156,168.90/133,077.32
  6. Step 6: Final answer
    x = 109,539.00

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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.