Home / 142,521.93-196,649.06-85,152.65

Finding the Fourth Proportional to 142,521.93, 196,649.06 and 85,152.65

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Solution

The fourth proportional to 142,521.93, 196,649.06 and 85,152.65 is: 117,492.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,521.93 : 196,649.06 = 85,152.65 : x
  2. Step 2: Convert to fraction form
    142,521.93/196,649.06 = 85,152.65/x
  3. Step 3: Cross multiply
    142,521.93x = 196,649.06 × 85,152.65
  4. Step 4: Simplify right side
    142,521.93x = 16,745,187,170.00
  5. Step 5: Solve for x
    x = 16,745,187,170.00/142,521.93
  6. Step 6: Final answer
    x = 117,492.00

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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.