Home / 110,737.01-152,763.94-72,479.72

Finding the Fourth Proportional to 110,737.01, 152,763.94 and 72,479.72

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Solution

The fourth proportional to 110,737.01, 152,763.94 and 72,479.72 is: 99,987.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,737.01 : 152,763.94 = 72,479.72 : x
  2. Step 2: Convert to fraction form
    110,737.01/152,763.94 = 72,479.72/x
  3. Step 3: Cross multiply
    110,737.01x = 152,763.94 × 72,479.72
  4. Step 4: Simplify right side
    110,737.01x = 11,072,288,069.81
  5. Step 5: Solve for x
    x = 11,072,288,069.81/110,737.01
  6. Step 6: Final answer
    x = 99,987.24

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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.