Home / 286,173.12-429,158.88-117,644.16

Finding the Fourth Proportional to 286,173.12, 429,158.88 and 117,644.16

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Solution

The fourth proportional to 286,173.12, 429,158.88 and 117,644.16 is: 176,424.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,173.12 : 429,158.88 = 117,644.16 : x
  2. Step 2: Convert to fraction form
    286,173.12/429,158.88 = 117,644.16/x
  3. Step 3: Cross multiply
    286,173.12x = 429,158.88 × 117,644.16
  4. Step 4: Simplify right side
    286,173.12x = 50,488,035,944.14
  5. Step 5: Solve for x
    x = 50,488,035,944.14/286,173.12
  6. Step 6: Final answer
    x = 176,424.80

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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.