Home / 156,368.30-234,618.87-77,484.02

Finding the Fourth Proportional to 156,368.30, 234,618.87 and 77,484.02

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Solution

The fourth proportional to 156,368.30, 234,618.87 and 77,484.02 is: 116,258.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,368.30 : 234,618.87 = 77,484.02 : x
  2. Step 2: Convert to fraction form
    156,368.30/234,618.87 = 77,484.02/x
  3. Step 3: Cross multiply
    156,368.30x = 234,618.87 × 77,484.02
  4. Step 4: Simplify right side
    156,368.30x = 18,179,213,215.46
  5. Step 5: Solve for x
    x = 18,179,213,215.46/156,368.30
  6. Step 6: Final answer
    x = 116,258.94

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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.