Home / 113,297.04-156,329.44-64,238.80

Finding the Fourth Proportional to 113,297.04, 156,329.44 and 64,238.80

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Solution

The fourth proportional to 113,297.04, 156,329.44 and 64,238.80 is: 88,637.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,297.04 : 156,329.44 = 64,238.80 : x
  2. Step 2: Convert to fraction form
    113,297.04/156,329.44 = 64,238.80/x
  3. Step 3: Cross multiply
    113,297.04x = 156,329.44 × 64,238.80
  4. Step 4: Simplify right side
    113,297.04x = 10,042,415,630.27
  5. Step 5: Solve for x
    x = 10,042,415,630.27/113,297.04
  6. Step 6: Final answer
    x = 88,637.93

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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.