Home / 125,045.72-187,584-40,783.35

Finding the Fourth Proportional to 125,045.72, 187,584 and 40,783.35

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Solution

The fourth proportional to 125,045.72, 187,584 and 40,783.35 is: 61,180.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,045.72 : 187,584 = 40,783.35 : x
  2. Step 2: Convert to fraction form
    125,045.72/187,584 = 40,783.35/x
  3. Step 3: Cross multiply
    125,045.72x = 187,584 × 40,783.35
  4. Step 4: Simplify right side
    125,045.72x = 7,650,303,926.40
  5. Step 5: Solve for x
    x = 7,650,303,926.40/125,045.72
  6. Step 6: Final answer
    x = 61,180.05

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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.