Home / 181,071.72-249,874.20-100,499.04

Finding the Fourth Proportional to 181,071.72, 249,874.20 and 100,499.04

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Solution

The fourth proportional to 181,071.72, 249,874.20 and 100,499.04 is: 138,686.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,071.72 : 249,874.20 = 100,499.04 : x
  2. Step 2: Convert to fraction form
    181,071.72/249,874.20 = 100,499.04/x
  3. Step 3: Cross multiply
    181,071.72x = 249,874.20 × 100,499.04
  4. Step 4: Simplify right side
    181,071.72x = 25,112,117,220.77
  5. Step 5: Solve for x
    x = 25,112,117,220.77/181,071.72
  6. Step 6: Final answer
    x = 138,686.03

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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.