Home / 286,225.18-429,534.62-99,236.68

Finding the Fourth Proportional to 286,225.18, 429,534.62 and 99,236.68

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Solution

The fourth proportional to 286,225.18, 429,534.62 and 99,236.68 is: 148,923.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,225.18 : 429,534.62 = 99,236.68 : x
  2. Step 2: Convert to fraction form
    286,225.18/429,534.62 = 99,236.68/x
  3. Step 3: Cross multiply
    286,225.18x = 429,534.62 × 99,236.68
  4. Step 4: Simplify right side
    286,225.18x = 42,625,589,633.86
  5. Step 5: Solve for x
    x = 42,625,589,633.86/286,225.18
  6. Step 6: Final answer
    x = 148,923.27

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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.