Home / 136,354.02-188,168.08-75,925.39

Finding the Fourth Proportional to 136,354.02, 188,168.08 and 75,925.39

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Solution

The fourth proportional to 136,354.02, 188,168.08 and 75,925.39 is: 104,776.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,354.02 : 188,168.08 = 75,925.39 : x
  2. Step 2: Convert to fraction form
    136,354.02/188,168.08 = 75,925.39/x
  3. Step 3: Cross multiply
    136,354.02x = 188,168.08 × 75,925.39
  4. Step 4: Simplify right side
    136,354.02x = 14,286,734,479.92
  5. Step 5: Solve for x
    x = 14,286,734,479.92/136,354.02
  6. Step 6: Final answer
    x = 104,776.78

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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.