Home / 180,829.32-249,544.04-100,254.77

Finding the Fourth Proportional to 180,829.32, 249,544.04 and 100,254.77

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Solution

The fourth proportional to 180,829.32, 249,544.04 and 100,254.77 is: 138,351.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,829.32 : 249,544.04 = 100,254.77 : x
  2. Step 2: Convert to fraction form
    180,829.32/249,544.04 = 100,254.77/x
  3. Step 3: Cross multiply
    180,829.32x = 249,544.04 × 100,254.77
  4. Step 4: Simplify right side
    180,829.32x = 25,017,980,335.07
  5. Step 5: Solve for x
    x = 25,017,980,335.07/180,829.32
  6. Step 6: Final answer
    x = 138,351.35

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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.