Home / 155,475.12-214,559.81-87,494.52

Finding the Fourth Proportional to 155,475.12, 214,559.81 and 87,494.52

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Solution

The fourth proportional to 155,475.12, 214,559.81 and 87,494.52 is: 120,744.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,475.12 : 214,559.81 = 87,494.52 : x
  2. Step 2: Convert to fraction form
    155,475.12/214,559.81 = 87,494.52/x
  3. Step 3: Cross multiply
    155,475.12x = 214,559.81 × 87,494.52
  4. Step 4: Simplify right side
    155,475.12x = 18,772,807,477.87
  5. Step 5: Solve for x
    x = 18,772,807,477.87/155,475.12
  6. Step 6: Final answer
    x = 120,744.77

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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.