Home / 133,635.95-184,412.80-76,278.23

Finding the Fourth Proportional to 133,635.95, 184,412.80 and 76,278.23

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Solution

The fourth proportional to 133,635.95, 184,412.80 and 76,278.23 is: 105,261.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,635.95 : 184,412.80 = 76,278.23 : x
  2. Step 2: Convert to fraction form
    133,635.95/184,412.80 = 76,278.23/x
  3. Step 3: Cross multiply
    133,635.95x = 184,412.80 × 76,278.23
  4. Step 4: Simplify right side
    133,635.95x = 14,066,681,973.34
  5. Step 5: Solve for x
    x = 14,066,681,973.34/133,635.95
  6. Step 6: Final answer
    x = 105,261.21

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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.