Home / 145,999.26-218,997.51-46,159.45

Finding the Fourth Proportional to 145,999.26, 218,997.51 and 46,159.45

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Solution

The fourth proportional to 145,999.26, 218,997.51 and 46,159.45 is: 69,238.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,999.26 : 218,997.51 = 46,159.45 : x
  2. Step 2: Convert to fraction form
    145,999.26/218,997.51 = 46,159.45/x
  3. Step 3: Cross multiply
    145,999.26x = 218,997.51 × 46,159.45
  4. Step 4: Simplify right side
    145,999.26x = 10,108,803,892.38
  5. Step 5: Solve for x
    x = 10,108,803,892.38/145,999.26
  6. Step 6: Final answer
    x = 69,238.73

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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.