Home / 212,210.15-318,365.80-62,455.33

Finding the Fourth Proportional to 212,210.15, 318,365.80 and 62,455.33

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Solution

The fourth proportional to 212,210.15, 318,365.80 and 62,455.33 is: 93,697.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,210.15 : 318,365.80 = 62,455.33 : x
  2. Step 2: Convert to fraction form
    212,210.15/318,365.80 = 62,455.33/x
  3. Step 3: Cross multiply
    212,210.15x = 318,365.80 × 62,455.33
  4. Step 4: Simplify right side
    212,210.15x = 19,883,641,099.71
  5. Step 5: Solve for x
    x = 19,883,641,099.71/212,210.15
  6. Step 6: Final answer
    x = 93,697.88

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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.