Home / 181,140.25-249,974.10-100,567.98

Finding the Fourth Proportional to 181,140.25, 249,974.10 and 100,567.98

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Solution

The fourth proportional to 181,140.25, 249,974.10 and 100,567.98 is: 138,784.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,140.25 : 249,974.10 = 100,567.98 : x
  2. Step 2: Convert to fraction form
    181,140.25/249,974.10 = 100,567.98/x
  3. Step 3: Cross multiply
    181,140.25x = 249,974.10 × 100,567.98
  4. Step 4: Simplify right side
    181,140.25x = 25,139,390,289.32
  5. Step 5: Solve for x
    x = 25,139,390,289.32/181,140.25
  6. Step 6: Final answer
    x = 138,784.12

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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.