Home / 156,971.90-235,457.85-97,874.30

Finding the Fourth Proportional to 156,971.90, 235,457.85 and 97,874.30

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Solution

The fourth proportional to 156,971.90, 235,457.85 and 97,874.30 is: 146,811.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,971.90 : 235,457.85 = 97,874.30 : x
  2. Step 2: Convert to fraction form
    156,971.90/235,457.85 = 97,874.30/x
  3. Step 3: Cross multiply
    156,971.90x = 235,457.85 × 97,874.30
  4. Step 4: Simplify right side
    156,971.90x = 23,045,272,248.26
  5. Step 5: Solve for x
    x = 23,045,272,248.26/156,971.90
  6. Step 6: Final answer
    x = 146,811.45

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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.