Home / 145,892.28-201,334.86-85,501.56

Finding the Fourth Proportional to 145,892.28, 201,334.86 and 85,501.56

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Solution

The fourth proportional to 145,892.28, 201,334.86 and 85,501.56 is: 117,994.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,892.28 : 201,334.86 = 85,501.56 : x
  2. Step 2: Convert to fraction form
    145,892.28/201,334.86 = 85,501.56/x
  3. Step 3: Cross multiply
    145,892.28x = 201,334.86 × 85,501.56
  4. Step 4: Simplify right side
    145,892.28x = 17,214,444,612.38
  5. Step 5: Solve for x
    x = 17,214,444,612.38/145,892.28
  6. Step 6: Final answer
    x = 117,994.21

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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.