Home / 218,885.13-302,061.48-118,283.13

Finding the Fourth Proportional to 218,885.13, 302,061.48 and 118,283.13

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Solution

The fourth proportional to 218,885.13, 302,061.48 and 118,283.13 is: 163,230.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,885.13 : 302,061.48 = 118,283.13 : x
  2. Step 2: Convert to fraction form
    218,885.13/302,061.48 = 118,283.13/x
  3. Step 3: Cross multiply
    218,885.13x = 302,061.48 × 118,283.13
  4. Step 4: Simplify right side
    218,885.13x = 35,728,777,306.83
  5. Step 5: Solve for x
    x = 35,728,777,306.83/218,885.13
  6. Step 6: Final answer
    x = 163,230.72

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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.