Home / 212,809.16-293,677.53-117,313.76

Finding the Fourth Proportional to 212,809.16, 293,677.53 and 117,313.76

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Solution

The fourth proportional to 212,809.16, 293,677.53 and 117,313.76 is: 161,893.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,809.16 : 293,677.53 = 117,313.76 : x
  2. Step 2: Convert to fraction form
    212,809.16/293,677.53 = 117,313.76/x
  3. Step 3: Cross multiply
    212,809.16x = 293,677.53 × 117,313.76
  4. Step 4: Simplify right side
    212,809.16x = 34,452,415,271.81
  5. Step 5: Solve for x
    x = 34,452,415,271.81/212,809.16
  6. Step 6: Final answer
    x = 161,893.48

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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.