Home / 150,875.60-208,242.60-99,890.24

Finding the Fourth Proportional to 150,875.60, 208,242.60 and 99,890.24

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Solution

The fourth proportional to 150,875.60, 208,242.60 and 99,890.24 is: 137,871.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,875.60 : 208,242.60 = 99,890.24 : x
  2. Step 2: Convert to fraction form
    150,875.60/208,242.60 = 99,890.24/x
  3. Step 3: Cross multiply
    150,875.60x = 208,242.60 × 99,890.24
  4. Step 4: Simplify right side
    150,875.60x = 20,801,403,292.22
  5. Step 5: Solve for x
    x = 20,801,403,292.22/150,875.60
  6. Step 6: Final answer
    x = 137,871.22

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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.