Home / 148,128.04-222,215.10-49,609

Finding the Fourth Proportional to 148,128.04, 222,215.10 and 49,609

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Solution

The fourth proportional to 148,128.04, 222,215.10 and 49,609 is: 74,421.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,128.04 : 222,215.10 = 49,609 : x
  2. Step 2: Convert to fraction form
    148,128.04/222,215.10 = 49,609/x
  3. Step 3: Cross multiply
    148,128.04x = 222,215.10 × 49,609
  4. Step 4: Simplify right side
    148,128.04x = 11,023,868,895.90
  5. Step 5: Solve for x
    x = 11,023,868,895.90/148,128.04
  6. Step 6: Final answer
    x = 74,421.22

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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.