Home / 180,517.02-249,135.12-105,065.52

Finding the Fourth Proportional to 180,517.02, 249,135.12 and 105,065.52

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Solution

The fourth proportional to 180,517.02, 249,135.12 and 105,065.52 is: 145,003.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,517.02 : 249,135.12 = 105,065.52 : x
  2. Step 2: Convert to fraction form
    180,517.02/249,135.12 = 105,065.52/x
  3. Step 3: Cross multiply
    180,517.02x = 249,135.12 × 105,065.52
  4. Step 4: Simplify right side
    180,517.02x = 26,175,510,933.06
  5. Step 5: Solve for x
    x = 26,175,510,933.06/180,517.02
  6. Step 6: Final answer
    x = 145,003.01

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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.