Home / 180,222.06-248,688.91-99,638.55

Finding the Fourth Proportional to 180,222.06, 248,688.91 and 99,638.55

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Solution

The fourth proportional to 180,222.06, 248,688.91 and 99,638.55 is: 137,491.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,222.06 : 248,688.91 = 99,638.55 : x
  2. Step 2: Convert to fraction form
    180,222.06/248,688.91 = 99,638.55/x
  3. Step 3: Cross multiply
    180,222.06x = 248,688.91 × 99,638.55
  4. Step 4: Simplify right side
    180,222.06x = 24,779,002,144.38
  5. Step 5: Solve for x
    x = 24,779,002,144.38/180,222.06
  6. Step 6: Final answer
    x = 137,491.50

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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.