Home / 103,567.20-142,770.60-73,259.16

Finding the Fourth Proportional to 103,567.20, 142,770.60 and 73,259.16

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Solution

The fourth proportional to 103,567.20, 142,770.60 and 73,259.16 is: 100,990.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,567.20 : 142,770.60 = 73,259.16 : x
  2. Step 2: Convert to fraction form
    103,567.20/142,770.60 = 73,259.16/x
  3. Step 3: Cross multiply
    103,567.20x = 142,770.60 × 73,259.16
  4. Step 4: Simplify right side
    103,567.20x = 10,459,254,228.70
  5. Step 5: Solve for x
    x = 10,459,254,228.70/103,567.20
  6. Step 6: Final answer
    x = 100,990.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.