Home / 124,735.29-172,134.87-71,020.33

Finding the Fourth Proportional to 124,735.29, 172,134.87 and 71,020.33

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Solution

The fourth proportional to 124,735.29, 172,134.87 and 71,020.33 is: 98,008.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,735.29 : 172,134.87 = 71,020.33 : x
  2. Step 2: Convert to fraction form
    124,735.29/172,134.87 = 71,020.33/x
  3. Step 3: Cross multiply
    124,735.29x = 172,134.87 × 71,020.33
  4. Step 4: Simplify right side
    124,735.29x = 12,225,075,271.91
  5. Step 5: Solve for x
    x = 12,225,075,271.91/124,735.29
  6. Step 6: Final answer
    x = 98,008.15

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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.