Home / 99,320.75-137,059.75-56,304.24

Finding the Fourth Proportional to 99,320.75, 137,059.75 and 56,304.24

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Solution

The fourth proportional to 99,320.75, 137,059.75 and 56,304.24 is: 77,698.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,320.75 : 137,059.75 = 56,304.24 : x
  2. Step 2: Convert to fraction form
    99,320.75/137,059.75 = 56,304.24/x
  3. Step 3: Cross multiply
    99,320.75x = 137,059.75 × 56,304.24
  4. Step 4: Simplify right side
    99,320.75x = 7,717,045,058.34
  5. Step 5: Solve for x
    x = 7,717,045,058.34/99,320.75
  6. Step 6: Final answer
    x = 77,698.22

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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.