Home / 147,623.40-221,445.90-42,443.28

Finding the Fourth Proportional to 147,623.40, 221,445.90 and 42,443.28

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Solution

The fourth proportional to 147,623.40, 221,445.90 and 42,443.28 is: 63,668.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,623.40 : 221,445.90 = 42,443.28 : x
  2. Step 2: Convert to fraction form
    147,623.40/221,445.90 = 42,443.28/x
  3. Step 3: Cross multiply
    147,623.40x = 221,445.90 × 42,443.28
  4. Step 4: Simplify right side
    147,623.40x = 9,398,890,338.55
  5. Step 5: Solve for x
    x = 9,398,890,338.55/147,623.40
  6. Step 6: Final answer
    x = 63,668.03

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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.