Home / 209,124.42-288,591.21-118,480.20

Finding the Fourth Proportional to 209,124.42, 288,591.21 and 118,480.20

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Solution

The fourth proportional to 209,124.42, 288,591.21 and 118,480.20 is: 163,502.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,124.42 : 288,591.21 = 118,480.20 : x
  2. Step 2: Convert to fraction form
    209,124.42/288,591.21 = 118,480.20/x
  3. Step 3: Cross multiply
    209,124.42x = 288,591.21 × 118,480.20
  4. Step 4: Simplify right side
    209,124.42x = 34,192,344,279.04
  5. Step 5: Solve for x
    x = 34,192,344,279.04/209,124.42
  6. Step 6: Final answer
    x = 163,502.40

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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.