Home / 272,225.93-408,421.97-139,199.63

Finding the Fourth Proportional to 272,225.93, 408,421.97 and 139,199.63

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Solution

The fourth proportional to 272,225.93, 408,421.97 and 139,199.63 is: 208,841.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,225.93 : 408,421.97 = 139,199.63 : x
  2. Step 2: Convert to fraction form
    272,225.93/408,421.97 = 139,199.63/x
  3. Step 3: Cross multiply
    272,225.93x = 408,421.97 × 139,199.63
  4. Step 4: Simplify right side
    272,225.93x = 56,852,187,580.63
  5. Step 5: Solve for x
    x = 56,852,187,580.63/272,225.93
  6. Step 6: Final answer
    x = 208,841.93

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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.