Home / 113,607.90-170,217.45-72,006.30

Finding the Fourth Proportional to 113,607.90, 170,217.45 and 72,006.30

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Solution

The fourth proportional to 113,607.90, 170,217.45 and 72,006.30 is: 107,886.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,607.90 : 170,217.45 = 72,006.30 : x
  2. Step 2: Convert to fraction form
    113,607.90/170,217.45 = 72,006.30/x
  3. Step 3: Cross multiply
    113,607.90x = 170,217.45 × 72,006.30
  4. Step 4: Simplify right side
    113,607.90x = 12,256,728,769.94
  5. Step 5: Solve for x
    x = 12,256,728,769.94/113,607.90
  6. Step 6: Final answer
    x = 107,886.24

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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.