Home / 134,051.94-185,000.13-76,708.80

Finding the Fourth Proportional to 134,051.94, 185,000.13 and 76,708.80

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Solution

The fourth proportional to 134,051.94, 185,000.13 and 76,708.80 is: 105,862.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,051.94 : 185,000.13 = 76,708.80 : x
  2. Step 2: Convert to fraction form
    134,051.94/185,000.13 = 76,708.80/x
  3. Step 3: Cross multiply
    134,051.94x = 185,000.13 × 76,708.80
  4. Step 4: Simplify right side
    134,051.94x = 14,191,137,972.14
  5. Step 5: Solve for x
    x = 14,191,137,972.14/134,051.94
  6. Step 6: Final answer
    x = 105,862.98

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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.