Home / 181,353.74-250,263.15-100,779.18

Finding the Fourth Proportional to 181,353.74, 250,263.15 and 100,779.18

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Solution

The fourth proportional to 181,353.74, 250,263.15 and 100,779.18 is: 139,072.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,353.74 : 250,263.15 = 100,779.18 : x
  2. Step 2: Convert to fraction form
    181,353.74/250,263.15 = 100,779.18/x
  3. Step 3: Cross multiply
    181,353.74x = 250,263.15 × 100,779.18
  4. Step 4: Simplify right side
    181,353.74x = 25,221,315,041.22
  5. Step 5: Solve for x
    x = 25,221,315,041.22/181,353.74
  6. Step 6: Final answer
    x = 139,072.49

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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.