Home / 124,631.56-172,011.30-79,262.24

Finding the Fourth Proportional to 124,631.56, 172,011.30 and 79,262.24

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Solution

The fourth proportional to 124,631.56, 172,011.30 and 79,262.24 is: 109,394.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,631.56 : 172,011.30 = 79,262.24 : x
  2. Step 2: Convert to fraction form
    124,631.56/172,011.30 = 79,262.24/x
  3. Step 3: Cross multiply
    124,631.56x = 172,011.30 × 79,262.24
  4. Step 4: Simplify right side
    124,631.56x = 13,634,000,943.31
  5. Step 5: Solve for x
    x = 13,634,000,943.31/124,631.56
  6. Step 6: Final answer
    x = 109,394.45

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1.5x scale

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.