Home / 212,577.09-293,377.08-158,768.67

Finding the Fourth Proportional to 212,577.09, 293,377.08 and 158,768.67

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Solution

The fourth proportional to 212,577.09, 293,377.08 and 158,768.67 is: 219,116.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,577.09 : 293,377.08 = 158,768.67 : x
  2. Step 2: Convert to fraction form
    212,577.09/293,377.08 = 158,768.67/x
  3. Step 3: Cross multiply
    212,577.09x = 293,377.08 × 158,768.67
  4. Step 4: Simplify right side
    212,577.09x = 46,579,088,800.08
  5. Step 5: Solve for x
    x = 46,579,088,800.08/212,577.09
  6. Step 6: Final answer
    x = 219,116.22

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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.