Home / 131,506.04-181,427.34-83,750.84

Finding the Fourth Proportional to 131,506.04, 181,427.34 and 83,750.84

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Solution

The fourth proportional to 131,506.04, 181,427.34 and 83,750.84 is: 115,543.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,506.04 : 181,427.34 = 83,750.84 : x
  2. Step 2: Convert to fraction form
    131,506.04/181,427.34 = 83,750.84/x
  3. Step 3: Cross multiply
    131,506.04x = 181,427.34 × 83,750.84
  4. Step 4: Simplify right side
    131,506.04x = 15,194,692,123.97
  5. Step 5: Solve for x
    x = 15,194,692,123.97/131,506.04
  6. Step 6: Final answer
    x = 115,543.68

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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.