Home / 210,748.02-290,826.37-115,252.67

Finding the Fourth Proportional to 210,748.02, 290,826.37 and 115,252.67

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Solution

The fourth proportional to 210,748.02, 290,826.37 and 115,252.67 is: 159,045.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,748.02 : 290,826.37 = 115,252.67 : x
  2. Step 2: Convert to fraction form
    210,748.02/290,826.37 = 115,252.67/x
  3. Step 3: Cross multiply
    210,748.02x = 290,826.37 × 115,252.67
  4. Step 4: Simplify right side
    210,748.02x = 33,518,515,648.91
  5. Step 5: Solve for x
    x = 33,518,515,648.91/210,748.02
  6. Step 6: Final answer
    x = 159,045.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.