Home / 145,480.78-218,214.15-50,707.14

Finding the Fourth Proportional to 145,480.78, 218,214.15 and 50,707.14

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Solution

The fourth proportional to 145,480.78, 218,214.15 and 50,707.14 is: 76,058.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,480.78 : 218,214.15 = 50,707.14 : x
  2. Step 2: Convert to fraction form
    145,480.78/218,214.15 = 50,707.14/x
  3. Step 3: Cross multiply
    145,480.78x = 218,214.15 × 50,707.14
  4. Step 4: Simplify right side
    145,480.78x = 11,065,015,454.03
  5. Step 5: Solve for x
    x = 11,065,015,454.03/145,480.78
  6. Step 6: Final answer
    x = 76,058.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.