Home / 145,573.12-218,362.38-45,731.44

Finding the Fourth Proportional to 145,573.12, 218,362.38 and 45,731.44

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Solution

The fourth proportional to 145,573.12, 218,362.38 and 45,731.44 is: 68,598.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,573.12 : 218,362.38 = 45,731.44 : x
  2. Step 2: Convert to fraction form
    145,573.12/218,362.38 = 45,731.44/x
  3. Step 3: Cross multiply
    145,573.12x = 218,362.38 × 45,731.44
  4. Step 4: Simplify right side
    145,573.12x = 9,986,026,079.23
  5. Step 5: Solve for x
    x = 9,986,026,079.23/145,573.12
  6. Step 6: Final answer
    x = 68,598.01

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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.