Home / 209,931.35-314,897.36-63,872.55

Finding the Fourth Proportional to 209,931.35, 314,897.36 and 63,872.55

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Solution

The fourth proportional to 209,931.35, 314,897.36 and 63,872.55 is: 95,808.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,931.35 : 314,897.36 = 63,872.55 : x
  2. Step 2: Convert to fraction form
    209,931.35/314,897.36 = 63,872.55/x
  3. Step 3: Cross multiply
    209,931.35x = 314,897.36 × 63,872.55
  4. Step 4: Simplify right side
    209,931.35x = 20,113,297,052.11
  5. Step 5: Solve for x
    x = 20,113,297,052.11/209,931.35
  6. Step 6: Final answer
    x = 95,808.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.