Home / 140,570.10-210,855.15-93,330.90

Finding the Fourth Proportional to 140,570.10, 210,855.15 and 93,330.90

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Solution

The fourth proportional to 140,570.10, 210,855.15 and 93,330.90 is: 139,996.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,570.10 : 210,855.15 = 93,330.90 : x
  2. Step 2: Convert to fraction form
    140,570.10/210,855.15 = 93,330.90/x
  3. Step 3: Cross multiply
    140,570.10x = 210,855.15 × 93,330.90
  4. Step 4: Simplify right side
    140,570.10x = 19,679,300,919.14
  5. Step 5: Solve for x
    x = 19,679,300,919.14/140,570.10
  6. Step 6: Final answer
    x = 139,996.35

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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.