Home / 170,830.20-256,246.21-112,038.17

Finding the Fourth Proportional to 170,830.20, 256,246.21 and 112,038.17

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Solution

The fourth proportional to 170,830.20, 256,246.21 and 112,038.17 is: 168,057.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,830.20 : 256,246.21 = 112,038.17 : x
  2. Step 2: Convert to fraction form
    170,830.20/256,246.21 = 112,038.17/x
  3. Step 3: Cross multiply
    170,830.20x = 256,246.21 × 112,038.17
  4. Step 4: Simplify right side
    170,830.20x = 28,709,356,437.84
  5. Step 5: Solve for x
    x = 28,709,356,437.84/170,830.20
  6. Step 6: Final answer
    x = 168,057.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.