Home / 180,815.68-249,518.88-101,322.56

Finding the Fourth Proportional to 180,815.68, 249,518.88 and 101,322.56

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Solution

The fourth proportional to 180,815.68, 249,518.88 and 101,322.56 is: 139,821.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,815.68 : 249,518.88 = 101,322.56 : x
  2. Step 2: Convert to fraction form
    180,815.68/249,518.88 = 101,322.56/x
  3. Step 3: Cross multiply
    180,815.68x = 249,518.88 × 101,322.56
  4. Step 4: Simplify right side
    180,815.68x = 25,281,891,689.93
  5. Step 5: Solve for x
    x = 25,281,891,689.93/180,815.68
  6. Step 6: Final answer
    x = 139,821.35

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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.