Home / 90,726.06-125,154.04-53,911.34

Finding the Fourth Proportional to 90,726.06, 125,154.04 and 53,911.34

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Solution

The fourth proportional to 90,726.06, 125,154.04 and 53,911.34 is: 74,369.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,726.06 : 125,154.04 = 53,911.34 : x
  2. Step 2: Convert to fraction form
    90,726.06/125,154.04 = 53,911.34/x
  3. Step 3: Cross multiply
    90,726.06x = 125,154.04 × 53,911.34
  4. Step 4: Simplify right side
    90,726.06x = 6,747,222,002.81
  5. Step 5: Solve for x
    x = 6,747,222,002.81/90,726.06
  6. Step 6: Final answer
    x = 74,369.17

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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.