Home / 133,158.86-183,763.19-72,730.51

Finding the Fourth Proportional to 133,158.86, 183,763.19 and 72,730.51

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Solution

The fourth proportional to 133,158.86, 183,763.19 and 72,730.51 is: 100,370.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,158.86 : 183,763.19 = 72,730.51 : x
  2. Step 2: Convert to fraction form
    133,158.86/183,763.19 = 72,730.51/x
  3. Step 3: Cross multiply
    133,158.86x = 183,763.19 × 72,730.51
  4. Step 4: Simplify right side
    133,158.86x = 13,365,189,892.38
  5. Step 5: Solve for x
    x = 13,365,189,892.38/133,158.86
  6. Step 6: Final answer
    x = 100,370.27

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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.