Home / 150,281.06-207,410.63-85,749.98

Finding the Fourth Proportional to 150,281.06, 207,410.63 and 85,749.98

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Solution

The fourth proportional to 150,281.06, 207,410.63 and 85,749.98 is: 118,347.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,281.06 : 207,410.63 = 85,749.98 : x
  2. Step 2: Convert to fraction form
    150,281.06/207,410.63 = 85,749.98/x
  3. Step 3: Cross multiply
    150,281.06x = 207,410.63 × 85,749.98
  4. Step 4: Simplify right side
    150,281.06x = 17,785,455,908.48
  5. Step 5: Solve for x
    x = 17,785,455,908.48/150,281.06
  6. Step 6: Final answer
    x = 118,347.96

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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.