Home / 120,482.04-166,270.86-75,186.84

Finding the Fourth Proportional to 120,482.04, 166,270.86 and 75,186.84

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Solution

The fourth proportional to 120,482.04, 166,270.86 and 75,186.84 is: 103,761.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,482.04 : 166,270.86 = 75,186.84 : x
  2. Step 2: Convert to fraction form
    120,482.04/166,270.86 = 75,186.84/x
  3. Step 3: Cross multiply
    120,482.04x = 166,270.86 × 75,186.84
  4. Step 4: Simplify right side
    120,482.04x = 12,501,380,547.48
  5. Step 5: Solve for x
    x = 12,501,380,547.48/120,482.04
  6. Step 6: Final answer
    x = 103,761.36

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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.