Home / 180,707.56-249,365.86-100,130.24

Finding the Fourth Proportional to 180,707.56, 249,365.86 and 100,130.24

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Solution

The fourth proportional to 180,707.56, 249,365.86 and 100,130.24 is: 138,173.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,707.56 : 249,365.86 = 100,130.24 : x
  2. Step 2: Convert to fraction form
    180,707.56/249,365.86 = 100,130.24/x
  3. Step 3: Cross multiply
    180,707.56x = 249,365.86 × 100,130.24
  4. Step 4: Simplify right side
    180,707.56x = 24,969,063,782.70
  5. Step 5: Solve for x
    x = 24,969,063,782.70/180,707.56
  6. Step 6: Final answer
    x = 138,173.88

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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.