Home / 172,360.47-258,006.09-93,278.55

Finding the Fourth Proportional to 172,360.47, 258,006.09 and 93,278.55

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Solution

The fourth proportional to 172,360.47, 258,006.09 and 93,278.55 is: 139,628.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,360.47 : 258,006.09 = 93,278.55 : x
  2. Step 2: Convert to fraction form
    172,360.47/258,006.09 = 93,278.55/x
  3. Step 3: Cross multiply
    172,360.47x = 258,006.09 × 93,278.55
  4. Step 4: Simplify right side
    172,360.47x = 24,066,433,966.37
  5. Step 5: Solve for x
    x = 24,066,433,966.37/172,360.47
  6. Step 6: Final answer
    x = 139,628.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.