Home / 124,421.14-171,722.46-86,236.12

Finding the Fourth Proportional to 124,421.14, 171,722.46 and 86,236.12

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Solution

The fourth proportional to 124,421.14, 171,722.46 and 86,236.12 is: 119,020.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,421.14 : 171,722.46 = 86,236.12 : x
  2. Step 2: Convert to fraction form
    124,421.14/171,722.46 = 86,236.12/x
  3. Step 3: Cross multiply
    124,421.14x = 171,722.46 × 86,236.12
  4. Step 4: Simplify right side
    124,421.14x = 14,808,678,667.26
  5. Step 5: Solve for x
    x = 14,808,678,667.26/124,421.14
  6. Step 6: Final answer
    x = 119,020.60

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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.