Home / 218,926.04-302,117.81-118,324.04

Finding the Fourth Proportional to 218,926.04, 302,117.81 and 118,324.04

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Solution

The fourth proportional to 218,926.04, 302,117.81 and 118,324.04 is: 163,287.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,926.04 : 302,117.81 = 118,324.04 : x
  2. Step 2: Convert to fraction form
    218,926.04/302,117.81 = 118,324.04/x
  3. Step 3: Cross multiply
    218,926.04x = 302,117.81 × 118,324.04
  4. Step 4: Simplify right side
    218,926.04x = 35,747,799,998.83
  5. Step 5: Solve for x
    x = 35,747,799,998.83/218,926.04
  6. Step 6: Final answer
    x = 163,287.11

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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.