Home / 143,275.80-197,666.91-88,803.06

Finding the Fourth Proportional to 143,275.80, 197,666.91 and 88,803.06

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Solution

The fourth proportional to 143,275.80, 197,666.91 and 88,803.06 is: 122,514.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,275.80 : 197,666.91 = 88,803.06 : x
  2. Step 2: Convert to fraction form
    143,275.80/197,666.91 = 88,803.06/x
  3. Step 3: Cross multiply
    143,275.80x = 197,666.91 × 88,803.06
  4. Step 4: Simplify right side
    143,275.80x = 17,553,426,468.74
  5. Step 5: Solve for x
    x = 17,553,426,468.74/143,275.80
  6. Step 6: Final answer
    x = 122,514.94

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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.