Home / 142,717.60-196,950.48-79,054.08

Finding the Fourth Proportional to 142,717.60, 196,950.48 and 79,054.08

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Solution

The fourth proportional to 142,717.60, 196,950.48 and 79,054.08 is: 109,094.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,717.60 : 196,950.48 = 79,054.08 : x
  2. Step 2: Convert to fraction form
    142,717.60/196,950.48 = 79,054.08/x
  3. Step 3: Cross multiply
    142,717.60x = 196,950.48 × 79,054.08
  4. Step 4: Simplify right side
    142,717.60x = 15,569,739,001.96
  5. Step 5: Solve for x
    x = 15,569,739,001.96/142,717.60
  6. Step 6: Final answer
    x = 109,094.74

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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.