Home / 181,077.69-249,875.48-100,505.24

Finding the Fourth Proportional to 181,077.69, 249,875.48 and 100,505.24

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Solution

The fourth proportional to 181,077.69, 249,875.48 and 100,505.24 is: 138,690.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,077.69 : 249,875.48 = 100,505.24 : x
  2. Step 2: Convert to fraction form
    181,077.69/249,875.48 = 100,505.24/x
  3. Step 3: Cross multiply
    181,077.69x = 249,875.48 × 100,505.24
  4. Step 4: Simplify right side
    181,077.69x = 25,113,795,087.52
  5. Step 5: Solve for x
    x = 25,113,795,087.52/181,077.69
  6. Step 6: Final answer
    x = 138,690.72

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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.