Home / 210,954.55-291,117.28-115,461.25

Finding the Fourth Proportional to 210,954.55, 291,117.28 and 115,461.25

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Solution

The fourth proportional to 210,954.55, 291,117.28 and 115,461.25 is: 159,336.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,954.55 : 291,117.28 = 115,461.25 : x
  2. Step 2: Convert to fraction form
    210,954.55/291,117.28 = 115,461.25/x
  3. Step 3: Cross multiply
    210,954.55x = 291,117.28 × 115,461.25
  4. Step 4: Simplify right side
    210,954.55x = 33,612,765,045.40
  5. Step 5: Solve for x
    x = 33,612,765,045.40/210,954.55
  6. Step 6: Final answer
    x = 159,336.53

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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.