Home / 129,734.34-179,033.31-70,118.34

Finding the Fourth Proportional to 129,734.34, 179,033.31 and 70,118.34

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Solution

The fourth proportional to 129,734.34, 179,033.31 and 70,118.34 is: 96,763.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,734.34 : 179,033.31 = 70,118.34 : x
  2. Step 2: Convert to fraction form
    129,734.34/179,033.31 = 70,118.34/x
  3. Step 3: Cross multiply
    129,734.34x = 179,033.31 × 70,118.34
  4. Step 4: Simplify right side
    129,734.34x = 12,553,518,501.91
  5. Step 5: Solve for x
    x = 12,553,518,501.91/129,734.34
  6. Step 6: Final answer
    x = 96,763.27

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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.