Home / 134,435.67-185,521.29-74,008.65

Finding the Fourth Proportional to 134,435.67, 185,521.29 and 74,008.65

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Solution

The fourth proportional to 134,435.67, 185,521.29 and 74,008.65 is: 102,131.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,435.67 : 185,521.29 = 74,008.65 : x
  2. Step 2: Convert to fraction form
    134,435.67/185,521.29 = 74,008.65/x
  3. Step 3: Cross multiply
    134,435.67x = 185,521.29 × 74,008.65
  4. Step 4: Simplify right side
    134,435.67x = 13,730,180,219.16
  5. Step 5: Solve for x
    x = 13,730,180,219.16/134,435.67
  6. Step 6: Final answer
    x = 102,131.97

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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.