Home / 141,623.16-212,566.14-71,551.68

Finding the Fourth Proportional to 141,623.16, 212,566.14 and 71,551.68

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Solution

The fourth proportional to 141,623.16, 212,566.14 and 71,551.68 is: 107,393.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,623.16 : 212,566.14 = 71,551.68 : x
  2. Step 2: Convert to fraction form
    141,623.16/212,566.14 = 71,551.68/x
  3. Step 3: Cross multiply
    141,623.16x = 212,566.14 × 71,551.68
  4. Step 4: Simplify right side
    141,623.16x = 15,209,464,428.12
  5. Step 5: Solve for x
    x = 15,209,464,428.12/141,623.16
  6. Step 6: Final answer
    x = 107,393.91

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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.