Home / 142,526.93-196,655.93-85,157.63

Finding the Fourth Proportional to 142,526.93, 196,655.93 and 85,157.63

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Solution

The fourth proportional to 142,526.93, 196,655.93 and 85,157.63 is: 117,498.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,526.93 : 196,655.93 = 85,157.63 : x
  2. Step 2: Convert to fraction form
    142,526.93/196,655.93 = 85,157.63/x
  3. Step 3: Cross multiply
    142,526.93x = 196,655.93 × 85,157.63
  4. Step 4: Simplify right side
    142,526.93x = 16,746,752,924.25
  5. Step 5: Solve for x
    x = 16,746,752,924.25/142,526.93
  6. Step 6: Final answer
    x = 117,498.87

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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.