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Finding the Fourth Proportional to 145,873.77, 218,810.69 and 46,044.05

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Solution

The fourth proportional to 145,873.77, 218,810.69 and 46,044.05 is: 69,066.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,873.77 : 218,810.69 = 46,044.05 : x
  2. Step 2: Convert to fraction form
    145,873.77/218,810.69 = 46,044.05/x
  3. Step 3: Cross multiply
    145,873.77x = 218,810.69 × 46,044.05
  4. Step 4: Simplify right side
    145,873.77x = 10,074,929,026.62
  5. Step 5: Solve for x
    x = 10,074,929,026.62/145,873.77
  6. Step 6: Final answer
    x = 69,066.08

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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.