Home / 112,330.57-168,495.54-45,755.05

Finding the Fourth Proportional to 112,330.57, 168,495.54 and 45,755.05

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Solution

The fourth proportional to 112,330.57, 168,495.54 and 45,755.05 is: 68,632.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,330.57 : 168,495.54 = 45,755.05 : x
  2. Step 2: Convert to fraction form
    112,330.57/168,495.54 = 45,755.05/x
  3. Step 3: Cross multiply
    112,330.57x = 168,495.54 × 45,755.05
  4. Step 4: Simplify right side
    112,330.57x = 7,709,521,857.48
  5. Step 5: Solve for x
    x = 7,709,521,857.48/112,330.57
  6. Step 6: Final answer
    x = 68,632.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.