Home / 99,449.04-137,256.72-63,637.32

Finding the Fourth Proportional to 99,449.04, 137,256.72 and 63,637.32

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Solution

The fourth proportional to 99,449.04, 137,256.72 and 63,637.32 is: 87,830.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,449.04 : 137,256.72 = 63,637.32 : x
  2. Step 2: Convert to fraction form
    99,449.04/137,256.72 = 63,637.32/x
  3. Step 3: Cross multiply
    99,449.04x = 137,256.72 × 63,637.32
  4. Step 4: Simplify right side
    99,449.04x = 8,734,649,812.79
  5. Step 5: Solve for x
    x = 8,734,649,812.79/99,449.04
  6. Step 6: Final answer
    x = 87,830.41

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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.