Home / 131,014.65-180,799.31-74,426.03

Finding the Fourth Proportional to 131,014.65, 180,799.31 and 74,426.03

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Solution

The fourth proportional to 131,014.65, 180,799.31 and 74,426.03 is: 102,707.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,014.65 : 180,799.31 = 74,426.03 : x
  2. Step 2: Convert to fraction form
    131,014.65/180,799.31 = 74,426.03/x
  3. Step 3: Cross multiply
    131,014.65x = 180,799.31 × 74,426.03
  4. Step 4: Simplify right side
    131,014.65x = 13,456,173,593.91
  5. Step 5: Solve for x
    x = 13,456,173,593.91/131,014.65
  6. Step 6: Final answer
    x = 102,707.40

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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.