Home / 314,842.26-472,124.07-90,151.50

Finding the Fourth Proportional to 314,842.26, 472,124.07 and 90,151.50

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Solution

The fourth proportional to 314,842.26, 472,124.07 and 90,151.50 is: 135,187.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,842.26 : 472,124.07 = 90,151.50 : x
  2. Step 2: Convert to fraction form
    314,842.26/472,124.07 = 90,151.50/x
  3. Step 3: Cross multiply
    314,842.26x = 472,124.07 × 90,151.50
  4. Step 4: Simplify right side
    314,842.26x = 42,562,693,096.61
  5. Step 5: Solve for x
    x = 42,562,693,096.61/314,842.26
  6. Step 6: Final answer
    x = 135,187.36

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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.