Home / 286,534.13-429,828.53-118,065.87

Finding the Fourth Proportional to 286,534.13, 429,828.53 and 118,065.87

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Solution

The fourth proportional to 286,534.13, 429,828.53 and 118,065.87 is: 177,110.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,534.13 : 429,828.53 = 118,065.87 : x
  2. Step 2: Convert to fraction form
    286,534.13/429,828.53 = 118,065.87/x
  3. Step 3: Cross multiply
    286,534.13x = 429,828.53 × 118,065.87
  4. Step 4: Simplify right side
    286,534.13x = 50,748,078,754.94
  5. Step 5: Solve for x
    x = 50,748,078,754.94/286,534.13
  6. Step 6: Final answer
    x = 177,110.07

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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.