Home / 130,129.51-179,558.87-73,520.23

Finding the Fourth Proportional to 130,129.51, 179,558.87 and 73,520.23

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Solution

The fourth proportional to 130,129.51, 179,558.87 and 73,520.23 is: 101,446.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,129.51 : 179,558.87 = 73,520.23 : x
  2. Step 2: Convert to fraction form
    130,129.51/179,558.87 = 73,520.23/x
  3. Step 3: Cross multiply
    130,129.51x = 179,558.87 × 73,520.23
  4. Step 4: Simplify right side
    130,129.51x = 13,201,209,053.34
  5. Step 5: Solve for x
    x = 13,201,209,053.34/130,129.51
  6. Step 6: Final answer
    x = 101,446.70

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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.