Home / 142,952.40-197,271.39-88,490.19

Finding the Fourth Proportional to 142,952.40, 197,271.39 and 88,490.19

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Solution

The fourth proportional to 142,952.40, 197,271.39 and 88,490.19 is: 122,114.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,952.40 : 197,271.39 = 88,490.19 : x
  2. Step 2: Convert to fraction form
    142,952.40/197,271.39 = 88,490.19/x
  3. Step 3: Cross multiply
    142,952.40x = 197,271.39 × 88,490.19
  4. Step 4: Simplify right side
    142,952.40x = 17,456,582,782.66
  5. Step 5: Solve for x
    x = 17,456,582,782.66/142,952.40
  6. Step 6: Final answer
    x = 122,114.65

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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.