Home / 141,846.16-212,746.20-66,966.16

Finding the Fourth Proportional to 141,846.16, 212,746.20 and 66,966.16

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Solution

The fourth proportional to 141,846.16, 212,746.20 and 66,966.16 is: 100,438.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,846.16 : 212,746.20 = 66,966.16 : x
  2. Step 2: Convert to fraction form
    141,846.16/212,746.20 = 66,966.16/x
  3. Step 3: Cross multiply
    141,846.16x = 212,746.20 × 66,966.16
  4. Step 4: Simplify right side
    141,846.16x = 14,246,796,068.59
  5. Step 5: Solve for x
    x = 14,246,796,068.59/141,846.16
  6. Step 6: Final answer
    x = 100,438.36

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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.