Home / 181,027.95-249,830.30-100,455.66

Finding the Fourth Proportional to 181,027.95, 249,830.30 and 100,455.66

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Solution

The fourth proportional to 181,027.95, 249,830.30 and 100,455.66 is: 138,635.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,027.95 : 249,830.30 = 100,455.66 : x
  2. Step 2: Convert to fraction form
    181,027.95/249,830.30 = 100,455.66/x
  3. Step 3: Cross multiply
    181,027.95x = 249,830.30 × 100,455.66
  4. Step 4: Simplify right side
    181,027.95x = 25,096,867,172.22
  5. Step 5: Solve for x
    x = 25,096,867,172.22/181,027.95
  6. Step 6: Final answer
    x = 138,635.32

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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.