Home / 147,802.67-221,736.81-42,613.46

Finding the Fourth Proportional to 147,802.67, 221,736.81 and 42,613.46

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Solution

The fourth proportional to 147,802.67, 221,736.81 and 42,613.46 is: 63,929.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,802.67 : 221,736.81 = 42,613.46 : x
  2. Step 2: Convert to fraction form
    147,802.67/221,736.81 = 42,613.46/x
  3. Step 3: Cross multiply
    147,802.67x = 221,736.81 × 42,613.46
  4. Step 4: Simplify right side
    147,802.67x = 9,448,972,683.46
  5. Step 5: Solve for x
    x = 9,448,972,683.46/147,802.67
  6. Step 6: Final answer
    x = 63,929.65

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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.