Home / 212,373.87-293,070.56-115,573.61

Finding the Fourth Proportional to 212,373.87, 293,070.56 and 115,573.61

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Solution

The fourth proportional to 212,373.87, 293,070.56 and 115,573.61 is: 159,488.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,373.87 : 293,070.56 = 115,573.61 : x
  2. Step 2: Convert to fraction form
    212,373.87/293,070.56 = 115,573.61/x
  3. Step 3: Cross multiply
    212,373.87x = 293,070.56 × 115,573.61
  4. Step 4: Simplify right side
    212,373.87x = 33,871,222,603.92
  5. Step 5: Solve for x
    x = 33,871,222,603.92/212,373.87
  6. Step 6: Final answer
    x = 159,488.65

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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.