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Finding the Fourth Proportional to 155,885.01, 233,733.81 and 61,002.01

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Solution

The fourth proportional to 155,885.01, 233,733.81 and 61,002.01 is: 91,466.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,885.01 : 233,733.81 = 61,002.01 : x
  2. Step 2: Convert to fraction form
    155,885.01/233,733.81 = 61,002.01/x
  3. Step 3: Cross multiply
    155,885.01x = 233,733.81 × 61,002.01
  4. Step 4: Simplify right side
    155,885.01x = 14,258,232,214.96
  5. Step 5: Solve for x
    x = 14,258,232,214.96/155,885.01
  6. Step 6: Final answer
    x = 91,466.35

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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.