Home / 163,558.20-245,337.30-162,521.40

Finding the Fourth Proportional to 163,558.20, 245,337.30 and 162,521.40

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Solution

The fourth proportional to 163,558.20, 245,337.30 and 162,521.40 is: 243,782.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,558.20 : 245,337.30 = 162,521.40 : x
  2. Step 2: Convert to fraction form
    163,558.20/245,337.30 = 162,521.40/x
  3. Step 3: Cross multiply
    163,558.20x = 245,337.30 × 162,521.40
  4. Step 4: Simplify right side
    163,558.20x = 39,872,561,468.22
  5. Step 5: Solve for x
    x = 39,872,561,468.22/163,558.20
  6. Step 6: Final answer
    x = 243,782.10

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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.