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Finding the Fourth Proportional to 160,920.10, 241,380.15 and 42,603.40

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Solution

The fourth proportional to 160,920.10, 241,380.15 and 42,603.40 is: 63,905.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,920.10 : 241,380.15 = 42,603.40 : x
  2. Step 2: Convert to fraction form
    160,920.10/241,380.15 = 42,603.40/x
  3. Step 3: Cross multiply
    160,920.10x = 241,380.15 × 42,603.40
  4. Step 4: Simplify right side
    160,920.10x = 10,283,615,082.51
  5. Step 5: Solve for x
    x = 10,283,615,082.51/160,920.10
  6. Step 6: Final answer
    x = 63,905.10

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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.