Home / 180,701.60-249,350.80-100,133.92

Finding the Fourth Proportional to 180,701.60, 249,350.80 and 100,133.92

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Solution

The fourth proportional to 180,701.60, 249,350.80 and 100,133.92 is: 138,175.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,701.60 : 249,350.80 = 100,133.92 : x
  2. Step 2: Convert to fraction form
    180,701.60/249,350.80 = 100,133.92/x
  3. Step 3: Cross multiply
    180,701.60x = 249,350.80 × 100,133.92
  4. Step 4: Simplify right side
    180,701.60x = 24,968,473,059.14
  5. Step 5: Solve for x
    x = 24,968,473,059.14/180,701.60
  6. Step 6: Final answer
    x = 138,175.16

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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.