Home / 90,470.04-124,837.38-50,178.32

Finding the Fourth Proportional to 90,470.04, 124,837.38 and 50,178.32

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Solution

The fourth proportional to 90,470.04, 124,837.38 and 50,178.32 is: 69,239.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,470.04 : 124,837.38 = 50,178.32 : x
  2. Step 2: Convert to fraction form
    90,470.04/124,837.38 = 50,178.32/x
  3. Step 3: Cross multiply
    90,470.04x = 124,837.38 × 50,178.32
  4. Step 4: Simplify right side
    90,470.04x = 6,264,130,231.09
  5. Step 5: Solve for x
    x = 6,264,130,231.09/90,470.04
  6. Step 6: Final answer
    x = 69,239.83

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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.