Home / 131,367.04-181,276.08-85,973.12

Finding the Fourth Proportional to 131,367.04, 181,276.08 and 85,973.12

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Solution

The fourth proportional to 131,367.04, 181,276.08 and 85,973.12 is: 118,636.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,367.04 : 181,276.08 = 85,973.12 : x
  2. Step 2: Convert to fraction form
    131,367.04/181,276.08 = 85,973.12/x
  3. Step 3: Cross multiply
    131,367.04x = 181,276.08 × 85,973.12
  4. Step 4: Simplify right side
    131,367.04x = 15,584,869,629.98
  5. Step 5: Solve for x
    x = 15,584,869,629.98/131,367.04
  6. Step 6: Final answer
    x = 118,636.07

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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.