Home / 218,870.04-302,040.18-118,268.04

Finding the Fourth Proportional to 218,870.04, 302,040.18 and 118,268.04

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Solution

The fourth proportional to 218,870.04, 302,040.18 and 118,268.04 is: 163,209.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,870.04 : 302,040.18 = 118,268.04 : x
  2. Step 2: Convert to fraction form
    218,870.04/302,040.18 = 118,268.04/x
  3. Step 3: Cross multiply
    218,870.04x = 302,040.18 × 118,268.04
  4. Step 4: Simplify right side
    218,870.04x = 35,721,700,089.85
  5. Step 5: Solve for x
    x = 35,721,700,089.85/218,870.04
  6. Step 6: Final answer
    x = 163,209.64

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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.