Home / 219,306.04-302,692.31-142,689.96

Finding the Fourth Proportional to 219,306.04, 302,692.31 and 142,689.96

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Solution

The fourth proportional to 219,306.04, 302,692.31 and 142,689.96 is: 196,944.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,306.04 : 302,692.31 = 142,689.96 : x
  2. Step 2: Convert to fraction form
    219,306.04/302,692.31 = 142,689.96/x
  3. Step 3: Cross multiply
    219,306.04x = 302,692.31 × 142,689.96
  4. Step 4: Simplify right side
    219,306.04x = 43,191,153,606.21
  5. Step 5: Solve for x
    x = 43,191,153,606.21/219,306.04
  6. Step 6: Final answer
    x = 196,944.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.