Home / 108,505.89-162,705.58-45,307.06

Finding the Fourth Proportional to 108,505.89, 162,705.58 and 45,307.06

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Solution

The fourth proportional to 108,505.89, 162,705.58 and 45,307.06 is: 67,938.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,505.89 : 162,705.58 = 45,307.06 : x
  2. Step 2: Convert to fraction form
    108,505.89/162,705.58 = 45,307.06/x
  3. Step 3: Cross multiply
    108,505.89x = 162,705.58 × 45,307.06
  4. Step 4: Simplify right side
    108,505.89x = 7,371,710,955.36
  5. Step 5: Solve for x
    x = 7,371,710,955.36/108,505.89
  6. Step 6: Final answer
    x = 67,938.35

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1.5x scale

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.