Home / 124,173.84-171,363.61-76,454.72

Finding the Fourth Proportional to 124,173.84, 171,363.61 and 76,454.72

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Solution

The fourth proportional to 124,173.84, 171,363.61 and 76,454.72 is: 105,509.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,173.84 : 171,363.61 = 76,454.72 : x
  2. Step 2: Convert to fraction form
    124,173.84/171,363.61 = 76,454.72/x
  3. Step 3: Cross multiply
    124,173.84x = 171,363.61 × 76,454.72
  4. Step 4: Simplify right side
    124,173.84x = 13,101,556,820.74
  5. Step 5: Solve for x
    x = 13,101,556,820.74/124,173.84
  6. Step 6: Final answer
    x = 105,509.80

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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.