Home / 124,009.70-171,132.54-67,421.08

Finding the Fourth Proportional to 124,009.70, 171,132.54 and 67,421.08

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Solution

The fourth proportional to 124,009.70, 171,132.54 and 67,421.08 is: 93,040.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,009.70 : 171,132.54 = 67,421.08 : x
  2. Step 2: Convert to fraction form
    124,009.70/171,132.54 = 67,421.08/x
  3. Step 3: Cross multiply
    124,009.70x = 171,132.54 × 67,421.08
  4. Step 4: Simplify right side
    124,009.70x = 11,537,940,242.11
  5. Step 5: Solve for x
    x = 11,537,940,242.11/124,009.70
  6. Step 6: Final answer
    x = 93,040.63

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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.