Home / 125,225.10-187,899.29-58,653.72

Finding the Fourth Proportional to 125,225.10, 187,899.29 and 58,653.72

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Solution

The fourth proportional to 125,225.10, 187,899.29 and 58,653.72 is: 88,009.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,225.10 : 187,899.29 = 58,653.72 : x
  2. Step 2: Convert to fraction form
    125,225.10/187,899.29 = 58,653.72/x
  3. Step 3: Cross multiply
    125,225.10x = 187,899.29 × 58,653.72
  4. Step 4: Simplify right side
    125,225.10x = 11,020,992,343.86
  5. Step 5: Solve for x
    x = 11,020,992,343.86/125,225.10
  6. Step 6: Final answer
    x = 88,009.45

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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.