Home / 134,191.29-185,130.86-86,472.44

Finding the Fourth Proportional to 134,191.29, 185,130.86 and 86,472.44

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Solution

The fourth proportional to 134,191.29, 185,130.86 and 86,472.44 is: 119,297.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,191.29 : 185,130.86 = 86,472.44 : x
  2. Step 2: Convert to fraction form
    134,191.29/185,130.86 = 86,472.44/x
  3. Step 3: Cross multiply
    134,191.29x = 185,130.86 × 86,472.44
  4. Step 4: Simplify right side
    134,191.29x = 16,008,717,183.50
  5. Step 5: Solve for x
    x = 16,008,717,183.50/134,191.29
  6. Step 6: Final answer
    x = 119,297.74

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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.