Home / 219,065.18-302,319.12-123,571.84

Finding the Fourth Proportional to 219,065.18, 302,319.12 and 123,571.84

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Solution

The fourth proportional to 219,065.18, 302,319.12 and 123,571.84 is: 170,534.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,065.18 : 302,319.12 = 123,571.84 : x
  2. Step 2: Convert to fraction form
    219,065.18/302,319.12 = 123,571.84/x
  3. Step 3: Cross multiply
    219,065.18x = 302,319.12 × 123,571.84
  4. Step 4: Simplify right side
    219,065.18x = 37,358,129,925.58
  5. Step 5: Solve for x
    x = 37,358,129,925.58/219,065.18
  6. Step 6: Final answer
    x = 170,534.31

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1.5x scale

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.