Home / 141,746.16-212,750.46-71,674.68

Finding the Fourth Proportional to 141,746.16, 212,750.46 and 71,674.68

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Solution

The fourth proportional to 141,746.16, 212,750.46 and 71,674.68 is: 107,578.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,746.16 : 212,750.46 = 71,674.68 : x
  2. Step 2: Convert to fraction form
    141,746.16/212,750.46 = 71,674.68/x
  3. Step 3: Cross multiply
    141,746.16x = 212,750.46 × 71,674.68
  4. Step 4: Simplify right side
    141,746.16x = 15,248,821,140.35
  5. Step 5: Solve for x
    x = 15,248,821,140.35/141,746.16
  6. Step 6: Final answer
    x = 107,578.37

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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.