Home / 122,199.45-168,641.98-68,501.72

Finding the Fourth Proportional to 122,199.45, 168,641.98 and 68,501.72

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Solution

The fourth proportional to 122,199.45, 168,641.98 and 68,501.72 is: 94,536.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,199.45 : 168,641.98 = 68,501.72 : x
  2. Step 2: Convert to fraction form
    122,199.45/168,641.98 = 68,501.72/x
  3. Step 3: Cross multiply
    122,199.45x = 168,641.98 × 68,501.72
  4. Step 4: Simplify right side
    122,199.45x = 11,552,264,679.74
  5. Step 5: Solve for x
    x = 11,552,264,679.74/122,199.45
  6. Step 6: Final answer
    x = 94,536.14

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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.