Home / 181,559.95-250,549.13-100,985.74

Finding the Fourth Proportional to 181,559.95, 250,549.13 and 100,985.74

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Solution

The fourth proportional to 181,559.95, 250,549.13 and 100,985.74 is: 139,358.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,559.95 : 250,549.13 = 100,985.74 : x
  2. Step 2: Convert to fraction form
    181,559.95/250,549.13 = 100,985.74/x
  3. Step 3: Cross multiply
    181,559.95x = 250,549.13 × 100,985.74
  4. Step 4: Simplify right side
    181,559.95x = 25,301,889,299.41
  5. Step 5: Solve for x
    x = 25,301,889,299.41/181,559.95
  6. Step 6: Final answer
    x = 139,358.32

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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.