Home / 104,291.20-156,513.60-42,006.40

Finding the Fourth Proportional to 104,291.20, 156,513.60 and 42,006.40

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Solution

The fourth proportional to 104,291.20, 156,513.60 and 42,006.40 is: 63,040.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,291.20 : 156,513.60 = 42,006.40 : x
  2. Step 2: Convert to fraction form
    104,291.20/156,513.60 = 42,006.40/x
  3. Step 3: Cross multiply
    104,291.20x = 156,513.60 × 42,006.40
  4. Step 4: Simplify right side
    104,291.20x = 6,574,572,887.04
  5. Step 5: Solve for x
    x = 6,574,572,887.04/104,291.20
  6. Step 6: Final answer
    x = 63,040.53

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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.