Home / 124,700.18-172,085.13-68,110.34

Finding the Fourth Proportional to 124,700.18, 172,085.13 and 68,110.34

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Solution

The fourth proportional to 124,700.18, 172,085.13 and 68,110.34 is: 93,991.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,700.18 : 172,085.13 = 68,110.34 : x
  2. Step 2: Convert to fraction form
    124,700.18/172,085.13 = 68,110.34/x
  3. Step 3: Cross multiply
    124,700.18x = 172,085.13 × 68,110.34
  4. Step 4: Simplify right side
    124,700.18x = 11,720,775,852.82
  5. Step 5: Solve for x
    x = 11,720,775,852.82/124,700.18
  6. Step 6: Final answer
    x = 93,991.66

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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.