Home / 124,730.09-172,123.67-71,022.77

Finding the Fourth Proportional to 124,730.09, 172,123.67 and 71,022.77

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Solution

The fourth proportional to 124,730.09, 172,123.67 and 71,022.77 is: 98,009.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,730.09 : 172,123.67 = 71,022.77 : x
  2. Step 2: Convert to fraction form
    124,730.09/172,123.67 = 71,022.77/x
  3. Step 3: Cross multiply
    124,730.09x = 172,123.67 × 71,022.77
  4. Step 4: Simplify right side
    124,730.09x = 12,224,698,610.23
  5. Step 5: Solve for x
    x = 12,224,698,610.23/124,730.09
  6. Step 6: Final answer
    x = 98,009.22

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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.