Home / 134,789.10-186,008.67-74,363.55

Finding the Fourth Proportional to 134,789.10, 186,008.67 and 74,363.55

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Solution

The fourth proportional to 134,789.10, 186,008.67 and 74,363.55 is: 102,621.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,789.10 : 186,008.67 = 74,363.55 : x
  2. Step 2: Convert to fraction form
    134,789.10/186,008.67 = 74,363.55/x
  3. Step 3: Cross multiply
    134,789.10x = 186,008.67 × 74,363.55
  4. Step 4: Simplify right side
    134,789.10x = 13,832,265,031.98
  5. Step 5: Solve for x
    x = 13,832,265,031.98/134,789.10
  6. Step 6: Final answer
    x = 102,621.54

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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.