Home / 94,307.28-130,139.22-51,857.64

Finding the Fourth Proportional to 94,307.28, 130,139.22 and 51,857.64

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Solution

The fourth proportional to 94,307.28, 130,139.22 and 51,857.64 is: 71,560.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,307.28 : 130,139.22 = 51,857.64 : x
  2. Step 2: Convert to fraction form
    94,307.28/130,139.22 = 51,857.64/x
  3. Step 3: Cross multiply
    94,307.28x = 130,139.22 × 51,857.64
  4. Step 4: Simplify right side
    94,307.28x = 6,748,712,820.64
  5. Step 5: Solve for x
    x = 6,748,712,820.64/94,307.28
  6. Step 6: Final answer
    x = 71,560.89

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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.