Home / 212,601.90-318,465.45-146,117.10

Finding the Fourth Proportional to 212,601.90, 318,465.45 and 146,117.10

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Solution

The fourth proportional to 212,601.90, 318,465.45 and 146,117.10 is: 218,875.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,601.90 : 318,465.45 = 146,117.10 : x
  2. Step 2: Convert to fraction form
    212,601.90/318,465.45 = 146,117.10/x
  3. Step 3: Cross multiply
    212,601.90x = 318,465.45 × 146,117.10
  4. Step 4: Simplify right side
    212,601.90x = 46,533,248,004.20
  5. Step 5: Solve for x
    x = 46,533,248,004.20/212,601.90
  6. Step 6: Final answer
    x = 218,875.03

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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.