Home / 153,122.34-211,313.16-92,703.90

Finding the Fourth Proportional to 153,122.34, 211,313.16 and 92,703.90

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Solution

The fourth proportional to 153,122.34, 211,313.16 and 92,703.90 is: 127,934.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,122.34 : 211,313.16 = 92,703.90 : x
  2. Step 2: Convert to fraction form
    153,122.34/211,313.16 = 92,703.90/x
  3. Step 3: Cross multiply
    153,122.34x = 211,313.16 × 92,703.90
  4. Step 4: Simplify right side
    153,122.34x = 19,589,554,053.32
  5. Step 5: Solve for x
    x = 19,589,554,053.32/153,122.34
  6. Step 6: Final answer
    x = 127,934.00

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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.