Home / 130,859.51-180,586.16-73,498.92

Finding the Fourth Proportional to 130,859.51, 180,586.16 and 73,498.92

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Solution

The fourth proportional to 130,859.51, 180,586.16 and 73,498.92 is: 101,428.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,859.51 : 180,586.16 = 73,498.92 : x
  2. Step 2: Convert to fraction form
    130,859.51/180,586.16 = 73,498.92/x
  3. Step 3: Cross multiply
    130,859.51x = 180,586.16 × 73,498.92
  4. Step 4: Simplify right side
    130,859.51x = 13,272,887,910.69
  5. Step 5: Solve for x
    x = 13,272,887,910.69/130,859.51
  6. Step 6: Final answer
    x = 101,428.54

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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.