Home / 130,453.56-179,985.12-73,085.19

Finding the Fourth Proportional to 130,453.56, 179,985.12 and 73,085.19

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Solution

The fourth proportional to 130,453.56, 179,985.12 and 73,085.19 is: 100,834.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,453.56 : 179,985.12 = 73,085.19 : x
  2. Step 2: Convert to fraction form
    130,453.56/179,985.12 = 73,085.19/x
  3. Step 3: Cross multiply
    130,453.56x = 179,985.12 × 73,085.19
  4. Step 4: Simplify right side
    130,453.56x = 13,154,246,692.37
  5. Step 5: Solve for x
    x = 13,154,246,692.37/130,453.56
  6. Step 6: Final answer
    x = 100,834.71

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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.