Home / 218,871.04-302,041.56-118,269.04

Finding the Fourth Proportional to 218,871.04, 302,041.56 and 118,269.04

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Solution

The fourth proportional to 218,871.04, 302,041.56 and 118,269.04 is: 163,211.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,871.04 : 302,041.56 = 118,269.04 : x
  2. Step 2: Convert to fraction form
    218,871.04/302,041.56 = 118,269.04/x
  3. Step 3: Cross multiply
    218,871.04x = 302,041.56 × 118,269.04
  4. Step 4: Simplify right side
    218,871.04x = 35,722,165,341.30
  5. Step 5: Solve for x
    x = 35,722,165,341.30/218,871.04
  6. Step 6: Final answer
    x = 163,211.02

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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.