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Finding the Fourth Proportional to 180,452.58, 249,018.21 and 99,880.26

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Solution

The fourth proportional to 180,452.58, 249,018.21 and 99,880.26 is: 137,831.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,452.58 : 249,018.21 = 99,880.26 : x
  2. Step 2: Convert to fraction form
    180,452.58/249,018.21 = 99,880.26/x
  3. Step 3: Cross multiply
    180,452.58x = 249,018.21 × 99,880.26
  4. Step 4: Simplify right side
    180,452.58x = 24,872,003,559.53
  5. Step 5: Solve for x
    x = 24,872,003,559.53/180,452.58
  6. Step 6: Final answer
    x = 137,831.24

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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.