Home / 212,742.10-293,580.07-115,946.76

Finding the Fourth Proportional to 212,742.10, 293,580.07 and 115,946.76

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Solution

The fourth proportional to 212,742.10, 293,580.07 and 115,946.76 is: 160,004.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,742.10 : 293,580.07 = 115,946.76 : x
  2. Step 2: Convert to fraction form
    212,742.10/293,580.07 = 115,946.76/x
  3. Step 3: Cross multiply
    212,742.10x = 293,580.07 × 115,946.76
  4. Step 4: Simplify right side
    212,742.10x = 34,039,657,917.07
  5. Step 5: Solve for x
    x = 34,039,657,917.07/212,742.10
  6. Step 6: Final answer
    x = 160,004.33

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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.