Home / 145,618.38-218,427.66-40,437.36

Finding the Fourth Proportional to 145,618.38, 218,427.66 and 40,437.36

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Solution

The fourth proportional to 145,618.38, 218,427.66 and 40,437.36 is: 60,656.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,618.38 : 218,427.66 = 40,437.36 : x
  2. Step 2: Convert to fraction form
    145,618.38/218,427.66 = 40,437.36/x
  3. Step 3: Cross multiply
    145,618.38x = 218,427.66 × 40,437.36
  4. Step 4: Simplify right side
    145,618.38x = 8,832,637,921.38
  5. Step 5: Solve for x
    x = 8,832,637,921.38/145,618.38
  6. Step 6: Final answer
    x = 60,656.06

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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.