Home / 212,461.60-318,618.96-94,215.76

Finding the Fourth Proportional to 212,461.60, 318,618.96 and 94,215.76

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Solution

The fourth proportional to 212,461.60, 318,618.96 and 94,215.76 is: 141,291.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,461.60 : 318,618.96 = 94,215.76 : x
  2. Step 2: Convert to fraction form
    212,461.60/318,618.96 = 94,215.76/x
  3. Step 3: Cross multiply
    212,461.60x = 318,618.96 × 94,215.76
  4. Step 4: Simplify right side
    212,461.60x = 30,018,927,466.81
  5. Step 5: Solve for x
    x = 30,018,927,466.81/212,461.60
  6. Step 6: Final answer
    x = 141,291.07

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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.