Home / 146,802.11-220,141.19-45,587.75

Finding the Fourth Proportional to 146,802.11, 220,141.19 and 45,587.75

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Solution

The fourth proportional to 146,802.11, 220,141.19 and 45,587.75 is: 68,362.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,802.11 : 220,141.19 = 45,587.75 : x
  2. Step 2: Convert to fraction form
    146,802.11/220,141.19 = 45,587.75/x
  3. Step 3: Cross multiply
    146,802.11x = 220,141.19 × 45,587.75
  4. Step 4: Simplify right side
    146,802.11x = 10,035,740,547.69
  5. Step 5: Solve for x
    x = 10,035,740,547.69/146,802.11
  6. Step 6: Final answer
    x = 68,362.37

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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.