Home / 212,646.84-293,110.58-143,714.74

Finding the Fourth Proportional to 212,646.84, 293,110.58 and 143,714.74

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Solution

The fourth proportional to 212,646.84, 293,110.58 and 143,714.74 is: 198,095.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,646.84 : 293,110.58 = 143,714.74 : x
  2. Step 2: Convert to fraction form
    212,646.84/293,110.58 = 143,714.74/x
  3. Step 3: Cross multiply
    212,646.84x = 293,110.58 × 143,714.74
  4. Step 4: Simplify right side
    212,646.84x = 42,124,310,795.95
  5. Step 5: Solve for x
    x = 42,124,310,795.95/212,646.84
  6. Step 6: Final answer
    x = 198,095.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.