Home / 173,421.38-260,156.80-53,488.40

Finding the Fourth Proportional to 173,421.38, 260,156.80 and 53,488.40

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Solution

The fourth proportional to 173,421.38, 260,156.80 and 53,488.40 is: 80,240.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,421.38 : 260,156.80 = 53,488.40 : x
  2. Step 2: Convert to fraction form
    173,421.38/260,156.80 = 53,488.40/x
  3. Step 3: Cross multiply
    173,421.38x = 260,156.80 × 53,488.40
  4. Step 4: Simplify right side
    173,421.38x = 13,915,370,981.12
  5. Step 5: Solve for x
    x = 13,915,370,981.12/173,421.38
  6. Step 6: Final answer
    x = 80,240.23

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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.