Home / 208,314.45-287,472.51-112,818.96

Finding the Fourth Proportional to 208,314.45, 287,472.51 and 112,818.96

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Solution

The fourth proportional to 208,314.45, 287,472.51 and 112,818.96 is: 155,689.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,314.45 : 287,472.51 = 112,818.96 : x
  2. Step 2: Convert to fraction form
    208,314.45/287,472.51 = 112,818.96/x
  3. Step 3: Cross multiply
    208,314.45x = 287,472.51 × 112,818.96
  4. Step 4: Simplify right side
    208,314.45x = 32,432,349,606.79
  5. Step 5: Solve for x
    x = 32,432,349,606.79/208,314.45
  6. Step 6: Final answer
    x = 155,689.39

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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.