Home / 208,973.62-288,381.06-113,481

Finding the Fourth Proportional to 208,973.62, 288,381.06 and 113,481

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Solution

The fourth proportional to 208,973.62, 288,381.06 and 113,481 is: 156,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,973.62 : 288,381.06 = 113,481 : x
  2. Step 2: Convert to fraction form
    208,973.62/288,381.06 = 113,481/x
  3. Step 3: Cross multiply
    208,973.62x = 288,381.06 × 113,481
  4. Step 4: Simplify right side
    208,973.62x = 32,725,771,069.86
  5. Step 5: Solve for x
    x = 32,725,771,069.86/208,973.62
  6. Step 6: Final answer
    x = 156,602.40

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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.