Home / 124,722.06-172,113.81-71,006.31

Finding the Fourth Proportional to 124,722.06, 172,113.81 and 71,006.31

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Solution

The fourth proportional to 124,722.06, 172,113.81 and 71,006.31 is: 97,987.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,722.06 : 172,113.81 = 71,006.31 : x
  2. Step 2: Convert to fraction form
    124,722.06/172,113.81 = 71,006.31/x
  3. Step 3: Cross multiply
    124,722.06x = 172,113.81 × 71,006.31
  4. Step 4: Simplify right side
    124,722.06x = 12,221,166,548.14
  5. Step 5: Solve for x
    x = 12,221,166,548.14/124,722.06
  6. Step 6: Final answer
    x = 97,987.21

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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.