Home / 315,077.90-472,453.65-93,433.10

Finding the Fourth Proportional to 315,077.90, 472,453.65 and 93,433.10

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Solution

The fourth proportional to 315,077.90, 472,453.65 and 93,433.10 is: 140,101.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,077.90 : 472,453.65 = 93,433.10 : x
  2. Step 2: Convert to fraction form
    315,077.90/472,453.65 = 93,433.10/x
  3. Step 3: Cross multiply
    315,077.90x = 472,453.65 × 93,433.10
  4. Step 4: Simplify right side
    315,077.90x = 44,142,809,125.82
  5. Step 5: Solve for x
    x = 44,142,809,125.82/315,077.90
  6. Step 6: Final answer
    x = 140,101.25

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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.