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Finding the Fourth Proportional to 156,258, 234,387.06 and 43,950.16

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Solution

The fourth proportional to 156,258, 234,387.06 and 43,950.16 is: 65,925.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,258 : 234,387.06 = 43,950.16 : x
  2. Step 2: Convert to fraction form
    156,258/234,387.06 = 43,950.16/x
  3. Step 3: Cross multiply
    156,258x = 234,387.06 × 43,950.16
  4. Step 4: Simplify right side
    156,258x = 10,301,348,788.93
  5. Step 5: Solve for x
    x = 10,301,348,788.93/156,258
  6. Step 6: Final answer
    x = 65,925.26

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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.