Home / 130,849.07-180,576.08-73,498.51

Finding the Fourth Proportional to 130,849.07, 180,576.08 and 73,498.51

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Solution

The fourth proportional to 130,849.07, 180,576.08 and 73,498.51 is: 101,430.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,849.07 : 180,576.08 = 73,498.51 : x
  2. Step 2: Convert to fraction form
    130,849.07/180,576.08 = 73,498.51/x
  3. Step 3: Cross multiply
    130,849.07x = 180,576.08 × 73,498.51
  4. Step 4: Simplify right side
    130,849.07x = 13,272,072,553.95
  5. Step 5: Solve for x
    x = 13,272,072,553.95/130,849.07
  6. Step 6: Final answer
    x = 101,430.39

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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.