Home / 125,152.20-187,486.38-69,579.72

Finding the Fourth Proportional to 125,152.20, 187,486.38 and 69,579.72

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Solution

The fourth proportional to 125,152.20, 187,486.38 and 69,579.72 is: 104,235.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,152.20 : 187,486.38 = 69,579.72 : x
  2. Step 2: Convert to fraction form
    125,152.20/187,486.38 = 69,579.72/x
  3. Step 3: Cross multiply
    125,152.20x = 187,486.38 × 69,579.72
  4. Step 4: Simplify right side
    125,152.20x = 13,045,249,824.21
  5. Step 5: Solve for x
    x = 13,045,249,824.21/125,152.20
  6. Step 6: Final answer
    x = 104,235.08

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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.