Home / 249,419.80-374,163.56-80,885.16

Finding the Fourth Proportional to 249,419.80, 374,163.56 and 80,885.16

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Solution

The fourth proportional to 249,419.80, 374,163.56 and 80,885.16 is: 121,338.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,419.80 : 374,163.56 = 80,885.16 : x
  2. Step 2: Convert to fraction form
    249,419.80/374,163.56 = 80,885.16/x
  3. Step 3: Cross multiply
    249,419.80x = 374,163.56 × 80,885.16
  4. Step 4: Simplify right side
    249,419.80x = 30,264,279,416.77
  5. Step 5: Solve for x
    x = 30,264,279,416.77/249,419.80
  6. Step 6: Final answer
    x = 121,338.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.