Home / 212,688.39-293,530.65-158,879.94

Finding the Fourth Proportional to 212,688.39, 293,530.65 and 158,879.94

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Solution

The fourth proportional to 212,688.39, 293,530.65 and 158,879.94 is: 219,269.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,688.39 : 293,530.65 = 158,879.94 : x
  2. Step 2: Convert to fraction form
    212,688.39/293,530.65 = 158,879.94/x
  3. Step 3: Cross multiply
    212,688.39x = 293,530.65 × 158,879.94
  4. Step 4: Simplify right side
    212,688.39x = 46,636,132,060.16
  5. Step 5: Solve for x
    x = 46,636,132,060.16/212,688.39
  6. Step 6: Final answer
    x = 219,269.76

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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.