Home / 142,394.22-196,459.63-94,655.66

Finding the Fourth Proportional to 142,394.22, 196,459.63 and 94,655.66

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Solution

The fourth proportional to 142,394.22, 196,459.63 and 94,655.66 is: 130,595.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,394.22 : 196,459.63 = 94,655.66 : x
  2. Step 2: Convert to fraction form
    142,394.22/196,459.63 = 94,655.66/x
  3. Step 3: Cross multiply
    142,394.22x = 196,459.63 × 94,655.66
  4. Step 4: Simplify right side
    142,394.22x = 18,596,014,722.07
  5. Step 5: Solve for x
    x = 18,596,014,722.07/142,394.22
  6. Step 6: Final answer
    x = 130,595.29

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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.