Home / 134,421.24-185,499.78-73,990.56

Finding the Fourth Proportional to 134,421.24, 185,499.78 and 73,990.56

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Solution

The fourth proportional to 134,421.24, 185,499.78 and 73,990.56 is: 102,106.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,421.24 : 185,499.78 = 73,990.56 : x
  2. Step 2: Convert to fraction form
    134,421.24/185,499.78 = 73,990.56/x
  3. Step 3: Cross multiply
    134,421.24x = 185,499.78 × 73,990.56
  4. Step 4: Simplify right side
    134,421.24x = 13,725,232,602.08
  5. Step 5: Solve for x
    x = 13,725,232,602.08/134,421.24
  6. Step 6: Final answer
    x = 102,106.13

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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.