Home / 251,289.81-346,774.10-136,565.73

Finding the Fourth Proportional to 251,289.81, 346,774.10 and 136,565.73

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Solution

The fourth proportional to 251,289.81, 346,774.10 and 136,565.73 is: 188,457.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,289.81 : 346,774.10 = 136,565.73 : x
  2. Step 2: Convert to fraction form
    251,289.81/346,774.10 = 136,565.73/x
  3. Step 3: Cross multiply
    251,289.81x = 346,774.10 × 136,565.73
  4. Step 4: Simplify right side
    251,289.81x = 47,357,457,428.76
  5. Step 5: Solve for x
    x = 47,357,457,428.76/251,289.81
  6. Step 6: Final answer
    x = 188,457.53

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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.