Home / 90,273.60-124,566.84-55,812.96

Finding the Fourth Proportional to 90,273.60, 124,566.84 and 55,812.96

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Solution

The fourth proportional to 90,273.60, 124,566.84 and 55,812.96 is: 77,015.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,273.60 : 124,566.84 = 55,812.96 : x
  2. Step 2: Convert to fraction form
    90,273.60/124,566.84 = 55,812.96/x
  3. Step 3: Cross multiply
    90,273.60x = 124,566.84 × 55,812.96
  4. Step 4: Simplify right side
    90,273.60x = 6,952,444,058.25
  5. Step 5: Solve for x
    x = 6,952,444,058.25/90,273.60
  6. Step 6: Final answer
    x = 77,015.25

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1.5x scale

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.