Home / 134,280.33-185,261.47-76,130.85

Finding the Fourth Proportional to 134,280.33, 185,261.47 and 76,130.85

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Solution

The fourth proportional to 134,280.33, 185,261.47 and 76,130.85 is: 105,034.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,280.33 : 185,261.47 = 76,130.85 : x
  2. Step 2: Convert to fraction form
    134,280.33/185,261.47 = 76,130.85/x
  3. Step 3: Cross multiply
    134,280.33x = 185,261.47 × 76,130.85
  4. Step 4: Simplify right side
    134,280.33x = 14,104,112,799.12
  5. Step 5: Solve for x
    x = 14,104,112,799.12/134,280.33
  6. Step 6: Final answer
    x = 105,034.84

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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.