Home / 208,887.42-288,265.01-113,394.18

Finding the Fourth Proportional to 208,887.42, 288,265.01 and 113,394.18

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Solution

The fourth proportional to 208,887.42, 288,265.01 and 113,394.18 is: 156,484.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,887.42 : 288,265.01 = 113,394.18 : x
  2. Step 2: Convert to fraction form
    208,887.42/288,265.01 = 113,394.18/x
  3. Step 3: Cross multiply
    208,887.42x = 288,265.01 × 113,394.18
  4. Step 4: Simplify right side
    208,887.42x = 32,687,573,864.67
  5. Step 5: Solve for x
    x = 32,687,573,864.67/208,887.42
  6. Step 6: Final answer
    x = 156,484.17

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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.