Home / 249,378.10-374,119.74-80,885.34

Finding the Fourth Proportional to 249,378.10, 374,119.74 and 80,885.34

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Solution

The fourth proportional to 249,378.10, 374,119.74 and 80,885.34 is: 121,345.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,378.10 : 374,119.74 = 80,885.34 : x
  2. Step 2: Convert to fraction form
    249,378.10/374,119.74 = 80,885.34/x
  3. Step 3: Cross multiply
    249,378.10x = 374,119.74 × 80,885.34
  4. Step 4: Simplify right side
    249,378.10x = 30,260,801,041.13
  5. Step 5: Solve for x
    x = 30,260,801,041.13/249,378.10
  6. Step 6: Final answer
    x = 121,345.06

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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.