Home / 124,008.75-171,133.29-67,421.34

Finding the Fourth Proportional to 124,008.75, 171,133.29 and 67,421.34

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Solution

The fourth proportional to 124,008.75, 171,133.29 and 67,421.34 is: 93,042.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,008.75 : 171,133.29 = 67,421.34 : x
  2. Step 2: Convert to fraction form
    124,008.75/171,133.29 = 67,421.34/x
  3. Step 3: Cross multiply
    124,008.75x = 171,133.29 × 67,421.34
  4. Step 4: Simplify right side
    124,008.75x = 11,538,035,730.41
  5. Step 5: Solve for x
    x = 11,538,035,730.41/124,008.75
  6. Step 6: Final answer
    x = 93,042.11

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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.