Home / 124,920.76-172,386.30-71,223.07

Finding the Fourth Proportional to 124,920.76, 172,386.30 and 71,223.07

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Solution

The fourth proportional to 124,920.76, 172,386.30 and 71,223.07 is: 98,285.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,920.76 : 172,386.30 = 71,223.07 : x
  2. Step 2: Convert to fraction form
    124,920.76/172,386.30 = 71,223.07/x
  3. Step 3: Cross multiply
    124,920.76x = 172,386.30 × 71,223.07
  4. Step 4: Simplify right side
    124,920.76x = 12,277,881,511.94
  5. Step 5: Solve for x
    x = 12,277,881,511.94/124,920.76
  6. Step 6: Final answer
    x = 98,285.36

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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.